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230 Cards in this Set
- Front
- Back
The Appendicular skeleton is associated primarily with __________
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movement
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There are 126 bones in the appendicular skeleton. It includes:
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1. Upper limbs including the scapula and clavicle
2. Lower limbs including the pelvis |
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The pectoral girdle attaches the upper limbs to the ________________
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axial skeleton
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A pair of bones the ______ and the ______ -allows the shoulder joint to be freely movable with great range of motion
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clavicle and the scapula
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The clavicle is the most frequently broken bone in the body. true or false
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true
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I articulate with the sternum (sternoclavicular joint) and scapula (acromioclavicular joint)...what am I?
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the clavicle
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the scapula is a flat bone. true or false
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true
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what articulates with the clavicle, humerus (glenohumeral joint) as well as the posterior surface of the rib cage thru a complex attachment of muscles (not a true joint, scapulothoracic articulation)
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the scapula
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What is the longest and largest bone in the upper limbs; upper arm bone
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humerus
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Attachment site for muscles (supraspinatus, infraspinatus, teres minor, pectoralis major)...what is it?
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greater tubercle
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major attachment site for the wrist extensors...what is it?
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Lateral epicondyle:
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major attachment site for the wrist flexors...what is it?
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Medial epicondyle:
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attachment for the deltoid tendon...what is it?
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Deltoid tuberosity
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between the greater and lesser tubercle. Long head of the biceps brachii runs thru this sulcus. Muscle attachment (latissimus dorsi, teres major, pectoralis major)...what am I?
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Intertubercular sulcus (Bicepital groove):
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The olecranon and coranoid process bound the trochlear notch, which articulates with the trochlea of the Humerus...true or false
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true
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the proximal row of the hand consists of which bones, lateral to medial...
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Scaphoid, Lunate, Triquetrum, Pisiform
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name the bones of the Distal Row of the hand lateral to medial-
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Trapezium, Trapezoid, Capitate: largest carpal bone, Hamate: has a hook on anterior surface
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what is the most commonly fractured carpal?
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the scaphoid
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how many metacarpal bones make up the palm.
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5
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Each hipbone (coxal bone) is composed of three separate bones at birth; what are they?
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the ilium, pubis, and ischium
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What is the study of joints called?
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arthrology
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What are the 3 types of structural classifications of joints?
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fibrous, cartilaginous, and synovial
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What are the 3 types of functional classifications of joints?
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synarthrotic, amphiarthrotic, and diarthrotic
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What are 3 types of synarthroses (joints)?
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suture, synchondrosis, and gomphosis
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Gomphosis (joints) are found only in which two bones of the body?
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maxilla and mandible
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How much movement occurs in an amphiarthrotic joint?
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a little
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What are the 2 types of amphiarthrotic joints?
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syndesmosis and symphysis
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A gomphosis joint is what type of joint (structural)
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fibrous/synarthrotic
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A synchondrosis joint is what type of joint (structural)
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cartilagenous
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what is another name for a diarthrotic joint?
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synovial joint
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What are the purposes of synovial fluid?
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lubricating, joint nourishing, shock absorption, and cleaning
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What are 3 things that movement of a diarthrotic joint might be affected by?
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1) shape & orientation of articulating bones;
2) strength and tension of ligaments; 3) arrangement and tension of the muscles |
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Which type of diarthrotic joint is 2 flat surfaces articulating with each other and allows side to side and back and forth gliding movements?
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gliding or planar joints
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Which type of diarthrotic joint is the convex surface of one bone articulating with the concave surface of another bone?
Movement is in 1 plane (monoaxial) and is typically flexion/extension. |
hinge joints
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Which type of diarthrotic joint is the rounded surface of one bone articulating with a ring?
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pivot joints
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Which type of diarthrotic joint is an oval shaped surface that fits into a depression of another bone.
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condyloid joints
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Which type of diarthrotic joint is one surface "saddle" shaped, and the other surface is like legs of a rider?
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saddle joints
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There are 2 types of diarthrotic joint that are multi-axial. This type of joint can flex/extend; adduct/abduct; and rotate/circumduct...what are they?
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ball and socket joints
and saddle joints |
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What is the function of bursae?
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to decrease friction and to cushion around a joint
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What are tendon sheaths?
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tube-like bursae that wrap around tendons.
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a cartilagenous synarthrotic joint (immovable) in which connective issue is hyaline cartilage is called what?
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synchondrosis
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What are 6 factors that might affect range of motion (ROM)?
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1) structure of the articulating bones & joint
2) strength and tension of the ligaments and tendons 3) arrangement and tension (length) of the muscles 4) soft tissue (bulk - either muscle or fat) 5) hormones 6) disuse |
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What is the definition of a joint?
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a point of contact (articulation) between 2 bones; bone and cartilage; or bone and teeth.
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How much "movement" is in a synarthrotic joint?
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none
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Where are two places in the body that tendon sheaths are found?
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on the tendon of biceps brachii (as it enters the shoulder);
and on the tendons of muscles that pass through the wrists and ankles |
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What type of joint is the elbow or the knee?
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hinge joint
|
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Give an example of a gliding joint?
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intercarpal or intertarsal
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What movements can a condyloid joint make?
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abduct/adduct and flex/extend
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The glenohumerol joint and the acetabulofemoral joint are examples of which type of joint?
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ball and socket
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In your neck, the atlas sitting on the axis (atlantoaxial joint) is an example of what type of joint?
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pivot joint
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The interosseous membrane between your tibia and fibula is what type of joint (give the name of this type of joint; the structural type; and the functional type)
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Name of this type of joint: syndesmosis
Functional type : amphiarthrotic Structural type: fibrous |
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Does flexion INCREASE or DECREASE the angle between articulating bones?
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decreases the angle
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When the distal end of a part of the body moves in a circle, what is this type of movement called?
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circumduction
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Does abduction refer to movement of a bone TOWARD or AWAY FROM the midline of the body?
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away from the midline of the body
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A bone moving in a single plane around its longitudinal axis is called what type of movement?
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rotation
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The movement of the sole of the foot inward or medially is called what?
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inversion
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The movement of the sole of the foot outward or laterally is called what?
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eversion
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When you bend your foot upward (like pointing your toes toward your knee) this movement is called what?
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dorsiflexion
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When you point your toes downward (away from your knee) this movement is called what?
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plantar flexion
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Supination is the movement of the forearm which turns the palm of the hand which way?
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anteriorly or "palm up"
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Which bone is the largest bone of the pelvis?
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ilium
|
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Is the "true pelvis" ABOVE or BELOW the pelvic brim?
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below
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The female pelvis is wider and shallower than the male pelvis. True or false?
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true
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What part of the femur (thighbone) is most commonly the site of fracture with hip fractures?
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the "neck"
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The condition of the foot in which the medial longitudinal arch is abnormally elevated is called what?
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clawfoot
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An inherited deformity in which the foot is twisted inferiorly and medially, and the angle of the arch is increased is called...
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clubfoot
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A deformity in which the knees are abnormally close together and the space between the ankles is increased due to lateral angulation of the tibea is called......
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Genu-valgum (knock-knee)
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A deformity in which the knees are abnormally separated and the lower limbs are bowed medially is called....
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Genu-varum (bowleg)
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The angulation of the great toe away from the midline of the body; the bony protrusion at the base of the great toe is called a ......
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Hallux valgus (bunion)
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What is another name for the thumb?
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pollux
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The corocoid process is found on which bone?
clavicle / ulna / or scapula? |
scapula
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The coranoid process is found on which bone?
clavicle / ulna / or scapula? |
ulna
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The conoid process is found on which bone?
clavicle / ulna / or scapula? |
clavicle
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What type of bone is the patella?
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sesamoid bone
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What is a sesamoid bone?
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a bone embedded within a tendon
|
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what is another name for a joint?
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an articulation or arthrosis
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structurally joints are classified into the following types:
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fibrous
cartilaginous synovial |
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functionally joints are classified into the following types
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synarthrosis
amphiarthrosis diarthrosis |
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define synarthrosis
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immovable joint
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define amphiarthrosis
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slightly moveable
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define diarthrosis
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freely movable joint
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the structural classification of a joint is based on two criteria:
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1. the presence or absence of a space between the articulating bones
2. the type of connective tissue that binds the bones together |
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define a fibrous joint
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there is no synovial cavity and the bones are held together by fibrous connective tissue
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articulations are supported by:
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ligaments, joint capsules, and surrounding muscles
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the study of joints is called
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arthrology
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define cartilaginous joint
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no synovial cavity and the bones are held together by cartilage
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the study of motion of the human body is what?
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kinesiology
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fibrous joints lack a synovial cavity. true or false
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true
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a suture is a fibrous joint. true or false
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true - a fibrous joint composed of a thin layer of dense fibrous connective tissue. occur only between the skull
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sutures are usually fused by what age?
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age 6
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if a suture persists beyond age 6, what is it called?
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a metopic suture
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what is a syndesmoses?
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a fibrous joint in which there is a greater distance between the articulating bones and more fibrous connective tissue than in a suture.
amphiarthrotic joint |
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the fibrous connnective tissue is arranged either as a bundle (ligament) or as a sheet (interosseous membrane). true or false
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true
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name an example of a syndesmosis
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distal tibiofibular joint
interosseous membrane between the parallel borders of the tibia and fibula |
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a gomphosis is a type of cartilaginous joint. true or false
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false - a gomphosis is a type of fibrous joint.
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what are the only examples of gomphosis in the human body
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the articulations of the roots of the teeth.
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what type of joint is a gomphosis?
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synarthrotic joint
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what are the three types of synarthrosis joints
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1. suture
2. synchondrosis 3. gomphosis |
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sutures and synchondrosis are both cartilaginous joints. true or false
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false - suture is a fibrous joint
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the sutures in the skull are fibrous joints. true or false
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true
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snyarthosis joints lack what?
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synovium
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what type of synarthroses is the rib cage?
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synchondrosis
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what are the two types of cartilaginous joints?
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synchrondoses - epiphyseal plate
symphyses - junction of the manubrium and body of the sternum |
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what is a symphyses?
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a cartilaginous joint in which the ends of the articulating bone are covered with hyaline cartilage, but a broad, flat disc of fibrocartilage conects the bone
pubic symphsis |
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the pubic symphysis is what type of joint?
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cartiliaginous/amphiarthrosis
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what is the structural difference between a synchondrosis and a symphysis?
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they are both cartilaginous but a symphysis has connective tissue make of fibrocartilage while synchondrosis has conective made of hyaline cartilage
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what is a synovial joint cavity?
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space between the articulating bones.
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all synovial joints are classified as...
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diathroses
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the bones at a synovial joint are covered by a layer of hyaline cartilage called?
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articular cartilage
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what does articular cartilage do?
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reduces friction between bones in the joints during movement and helps to absorb shock
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what is the inner layer of the articular capsule?
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synovial membrane
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accumulation of adipose tissue is called?
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fat pads
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a double jointed person does not really have extra joints, individuals who are double jointed have what?
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they have greater flexibility in their articular capsules and ligaments...
articular capsule - sleevelike and surrounds a synovial joint, encloses the synovial cavity, and unites the articulating bones. |
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what is the function of synovial fluid?
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reduces friction by lubricating the joint
absorbs shock supplies oxygen and nutrients to and removing carbon dioxide and metabolic wastes |
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what is an articular disc (menisci)
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fibrous cartilage between the articular surfaces of the bones and are attached to the fibrous capsule.
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where in the body do all symphyses occur?
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in the midline of the body
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saclike structures that prevent friction are called?
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bursae
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tubelike bursae that wrap around certain tendons that experience considerable friction are called?
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tendon sheaths
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what is an angular movement?
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an increase or decrease in the angle between articulating bones
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name the major angular movements...
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flexion, extension, lateral extension, hypertextension, abduction, adduction, and circumduction.
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flexion is a decrease in the angle between articulating bones. true or false
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true
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synovial joints are divided into six categories based on type of movement, what are they?
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planar, hinge, pivot, condyloid, saddle, and ball and socket.
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give an example of a hinge joint
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knee, elbow, ankle, interphalangeal joints
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hinge joints are nonaxial, true or false
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false - hinge joints are monaxial or uniaxial because they typically allow motion around a single axis.
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what is a condyloid joint?
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the convex oval-shaped projection of one bone fits into the oval-shaped depresion of another bone. example - wrist
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give an example of a saddle joint (biaxial joint)
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carpometacarpal joint between the trapezium of the carpus and metacarpal of the thumb
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planar, hinge, pivot, condyloid, saddle, and ball and socket are all classified structurally as...
|
synovial joints
|
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what factors contribute to keeping the articular surfaces in contact and affect range of motion?
|
1. structure or shape of the articulating bones
2. strength and tension of the joint ligaments 3. arrangement and tension of the muscles 4. contact of soft parts 5. hormones 6. lack of use |
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How do the strength and tension of ligaments determine range of motion?
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tense ligaments not only restrict the range of motion but also direct the movement of the articulating bones with respect to each other.
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the TMJ is a conbined joint...what are the joints?
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combined hinge and planar joint formed by the condylar process of the mandible and the mandibular fossa and articular tubercle of the temporal bone.
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what is the name of the condition most commonly referred to pain at or near the lateral epicondyle of the humerus?
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tennis elbow
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what is the largest and most complex joint of the body?
|
the knee joint (tibiofemoral joint) - actually consists of three joints within a single synovial cavity.
|
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explain the effects of aging joints.
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1. decreased production of synovial fluid in joints
2. the articular cartilage becomes thinner and ligaments shorten and lose some of their flexibility 3. degenerative changes in the vetebral column (hunched over) the effects of aging on joints are influenced by genetic factors and by wear and tear. |
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what is arthroplasty?
|
surgical replacement with artificial joints
|
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what is rheumatism?
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any painful disorder of the supporting structures of the body - bones, ligaments, tendons, or muscles that is not caused by infection or injury
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arthritis is a form of rheumatism. t or f
|
true
|
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what is ankylosing spondylitis ?
|
an inflammatory disease of unknon origin that affects joints between vertebrae and between the sacrum and hip bone.
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which joints of the body most commonly undergo arthroplasty?
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hips knees and shoulders
|
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many synovial joints also contain accessory ligaments. true or false
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true - what are accessory ligaments?
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synovial joints contain extensive nerve and blood supply. the nerves convey information about what?
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about pain, joint movements, and the degree fo stretch at a joint.
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synovial fluid becomes more viscous (thicker) as movement at the joint increases. true or false
|
false
|
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shrugging your shoulders involves flexion and extension. true or false
|
false - elevation and depression
|
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menisci are fluid filled sacs located outside of the joint cavity to ease friction between bones and softer tissue. true or false.
|
true
|
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each of the two lower limbs contains how many bones.
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30 bones
|
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the pelvic hip girdle consists of how many bones?
|
2
|
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the true pelvis is separated from the false pelvis by what?
|
the pelvic brim
|
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what forms the bony pelvis?
|
the hip bones, the sacrum, and the pubic symphysis
|
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the bones of the foot are arranged in two arches, what are they?
|
the longitudinal arch and the transverse arch, to provide support and leverage
|
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bones of the male are larger and generally heavier than bones of females. true or false
|
true
|
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whether male or female, bones are the same size. t or f
|
false - bones of the male are larger and generally heavier than bones of females
|
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the skeletal system arises from?
|
embryonic mesoderm
|
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the tibia is the weight bearing bone of the leg. true or false
|
true
|
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the patella is classified as a sesamoid bone. why?
|
because it develops in a tendon
|
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what is the olecranon?
|
the elbow part of the ulna
|
|
what is the most frequently fractured wrist bone?
|
scaphoid
|
|
movement of bone toward midline
|
adduction
|
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downward movement of a body part
|
depression
|
|
movement of the soles medially
|
inversion
|
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action that occurs when you stand on your heels
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dorsiflexion
|
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movement of a body part anteriorly in the transverse plane
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protraction
|
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rounded or pointed surface of one bone articulates with a ring formed by another bone and a ligament; allows rotation around its own axis
|
pivot joint
|
|
articulating bone surfaces are flat or slightly curved; permit gliding movement.
|
planar joint
|
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convex, oval projection of one bone fits into oval depression of another bone; permits movement in two axes
|
condyloid joint
|
|
convex surface of one bone articulates with concave surface of another bone; permits flexion and extension
|
hinge joint
|
|
ball-shaped surface of one bone articulates with cuplike depression of another bone; permits largest degree of movement in three axes
|
ball and socket joint
|
|
modified condyloid joint where articulating bones resemble a rider sitting in a saddle
|
saddle joint
|
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a fibrous joint that unites the bones of the skull: a synarthrosis
|
suture
|
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a fibrous joint between the tibia and fibula; an amphiarthrosis
|
syndesmosis
|
|
the articulation between bone and teeth
|
gomphosis
|
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the epiphyseal plate is categorized under which type of joint
|
synchondrosis
|
|
condyloid and saddle joints are biaxial joints. t or f
|
true
|
|
name the two types of amphiarthrotic joints
|
syndesmosis - fibrous
symphysis - cartilaginous |
|
a syndesmosis is amphiarthrotic, synarthrotic, or diathrotic?
|
amphiarthrotic
|
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what is the purpose of arthroplasty?
|
to relieve joint pain and permit greater range of motion
|
|
what is the medical term for knock-knee
|
genu valgum
|
|
what is neurocranium?
|
forms the bones of the skull
|
|
what is viscerocranium
|
forms the bones of the face
|
|
the transverse arch is found between the medial and lateral aspects of the foot and is formed by the...
|
navicular, three cuneiforms, and the bases of the five metatarsals
|
|
Mnemonic for tarsal bones: tall centers never take shots from corners
name the tarsal bones |
talus calcaneus navicular third cuneiform second cuneiform first cuneiform cuboid
|
|
what is the largest carpal bone
|
capitate
|
|
mnemonic for carpal bones: stop letting those people trouch the cadavers hand..name the bones
|
stop letting those people touch the cadavers hand
lateral to medial scaphoid lunate triquetrum pisiform (proximal row) trapezium trapezoid capitate hamate (distal row) |
|
the human body has 4 pectoral girdles true or false
|
false - 2
|
|
what is the conoid tubercle?
|
a point of attachment for the conoid ligament, which attaches the clavicle to the scapula
|
|
.
|
.
|
|
.
|
.
|
|
what is the primary function of the appendicular skeleton?
|
movement
|
|
what bones make up the upper limbs?
|
clavicle, scapula, humerous, ulna, radius, carpals, metacarpals, phalanges
|
|
what bones make up the lower limbs?
|
femur, fibula, tibia, tarsals, metatarsals
|
|
how many bones are there in the appendicular skeleton?
|
126
|
|
how many carpals are in the upper limb?
|
8
|
|
how many metacarpals are in the upper limbs?
|
5
|
|
what is the clinical significance of the greater tubercle?
|
the insertion point for 3 rotator cuff muscles.
|
|
what is the importance of the intertubercular sulcus?
|
biceps brachii runs through this groove
|
|
the forearm contains what two bones?
|
the radius and the ulna
|
|
the ulna is on the thumb side. true or false
|
false
|
|
the radius is on the thumb side. t or f
|
true
|
|
what two processes form the trochlear notch?
|
coranoid and olecranon
|
|
the radial notch articulates with the head of the radius and is on what bone?
|
the ulnar bone
|
|
how many bones are in the hand?
|
27
|
|
what nerve passes through the carpal tunnel?
|
median nerve
|
|
what homeostatic imbalance is related to the carpal tunnel?
|
carpal tunnel syndrome
|
|
what are the joints between phalanges called?
|
interphalangeal joints
|
|
when numbering phalanges, which one is number 1?
|
thumb
|
|
what is the purpose of the patella?
|
1. keeps quads in line
2. strength and stability to quad tendons |
|
the tibia articulates superiorly with...
|
femur, patella, fibula
|
|
the tibia articulates distally with...
|
tarsals and fibula
|
|
the tibial tuberosity is the insertion site for?
|
for the patellar ligament (tendon of attachment for the quadriceps muscles of the anterior thigh that extend the leg at the knee joint)
|
|
the head of the femur articulates with what?
|
with the coxal(hip) bone at the acetabulum.
|
|
what is the largest and most complicated joint in the body?
|
knee
|
|
the knee is a biaxial condylar synovial joint... true or false
|
true
|
|
the head of the ulna articulates with?
|
the carpals
|
|
the head of the radius articulates with the?
|
capitulum
|
|
the coranoid process articulates with?
|
trochlea
|
|
Name the carpal bones (lateral to medial). "Stop letting those people touch the cadavers hand"
|
scaphoid lunate triquetrium pisiform
trapezium trapezoid capitate hamate |
|
what is the bony pelvis?
|
the hip bones
the pubic symphysis the sacrum |
|
the portion of the bony pelvis superior to the pelvic brim is referred to as the...
|
false pelvis
|
|
the portion of the bony pelvis inferior to the pelvic brim is the ...
|
true pelvis
|
|
below the posterior inferior iliac spine is the...
|
greater sciatic notch
|
|
the female pubic arch has a greater than 90 degree angle than that of the male. t or f
|
true
|
|
the male pelvic brim is smaller and heart shaped compared to the female pelvic brim. t or f
|
true
|
|
does the iliac crest have more or less of a curve on the female?
|
less curved than that of the male
|
|
is the pelvic outlet wider or narrower on the male?
|
narrower
|
|
is the pelvic brim larger and more oval or smaller and heart shaped on the female pelvis?
|
larger and more oval
|
|
what is pelivmetry?
|
the measurement of the size of the inlet and outlet of the birth canal
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the ligament of the head of the femur connects ...
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the fovea capitis of the femur to the acetabulum of the hip bone
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the transverse arch is found between the medial and lateral aspects of the foot and is formed by the...
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navicular, 3 cuneiforms, and the bases of the five metatarsals.
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what is the function of the transverse and longitudinal arches of the foot?
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distribute body weight over the soft and hard tissues of the body
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normally the ball of the foot carries about _____% of the weight and the heel carries about _____%
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40%
60% |
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the bones in the foot are arranged in ___ arches? (how many)
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2 longitudinal and transverse
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Tall Centers ______ take ______ from ______ (tarsal mnemonic)
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tall centers never take shots from corners
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