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193 Cards in this Set
- Front
- Back
On the same side of the body -term
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ipsilateral
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opposite side of the body as the reference point - term
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contralateral
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dorsiflexion
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Bending the ankle upward. dorsal means back
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plantarflexion
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the movement of the ankle joint in which the foot is flexed downward (standing on toes)
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protrusion
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Moving anteriorly
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retraction
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moving a part posteriorly.
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circumduction
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The movement of a body part so that its end follows a circular pathway.
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long bones
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length is greater than the width (humerous)
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short bones
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cuboidal
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flat bones
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platelike found primarily in vault of skull
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irregular bones
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bones of mixed shape -- ex. vertebrae and hip bones
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sesamoid bones
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developed in tendon, designed to protect the tendon from exxcessive wear
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diaphysis
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The shaft of a long bone.
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epiphysis
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End of a long bone. rounded end of bone
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articular
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joints or related to joints
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epiphyseal plate
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Thin cartilage plate separating the diaphysis and epiphysis during bony growth; commonly referred to as growth plate.
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compact bone
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A layer of solid, hard bone that covers spongy bone.
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spongy bone
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less dense and weaker than compact bone. mabe of lattice called trabeculae
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periosteum
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covers non-articular surfaces of bone. contains blood vessels. Abundant sersory nerve supply (periosteal nerves)
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synovial joints
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movement occurs in all 3 planes. contains joint capsule with a synovial membrane. joint cavity is filled with synovial fluid.
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cartilage in synovial joints
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hyaline
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non-synovial joint
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bones joined by connective tissue. classified by type of connective tissue in joint
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fibrous joints - list
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suture
gomphisis syndesmosis |
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suture
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ends of bones interlock. small amount of movement. more movement early in life
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gomphisis
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joint where a bony structure is implanted deep into another bony structure. An example would be the joint between a tooth and the mandible
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syndesmosis
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when bones are joined by a ligament, cord, of interosseus membrane(b/n bones) ex. radius-ulna and tibia-fibula
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cartilaginous joints -list
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symphysis
synchondroses |
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cartilaginous joint
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bones connected by cartilage
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symphysis
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where bones are joined by fibrocartilage which is in the form of a disk or plate.
Ex- symphysis pubis or intervertebral disk |
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synchondroses
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hyaline cartilage b/n two ossifying centers of bone ex-epiphyseal plate
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types of muscle
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smooth
cardiac skeletal |
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smooth muscle
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involuntary
blood vessels gastrointestinal |
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cardiac muscle
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involuntary heart
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endomysium
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wraps indeividual muscle fibers
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perimysium
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wraps group of muscle fibers
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epimysium
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wraps entire muscle
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tendon
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primarily collogen attaches muscle to bone
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origin
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generally the proximal attachment site where there is less movement
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insertion
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generally the distal attachment site where there is more movement
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bursae
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a small fluid-filled (synovial fluid) sac between a tendon and a bone that protects muscles and tendons from coming into direct contact with bones
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synovial sheathes
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tubes of synovial membrane that wrap around tendons to decrease friction b/n tendons and surrounding structures
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intramuscularly septa
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separates a muscle group from another
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retinacula
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thickenings of deel fascia that serve to hold tendons close to bones as joints are moved. ex- carpal tunnel
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suture that separates frontal lobe from parietal
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bregma
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suture that separates occipital lobe from parietal
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lambda
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closure of bregma sutue
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5-8 years
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closure of lambda suture
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around 1 year
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trapezius origin
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external occipital protuberance, superior nuchal line of occipital bone, ligamentum nuchae, spinous processes C7, T1-T12 vertebrae
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trapezius insertion
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lateral 1/3 of clavicle, spine of scapula, acromion
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trapezius action
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elevates, retracts, and rotates scapula
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trapezius nerve innervation
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Spinal Accessory Nerve (CN XI) supplies the moto innervation and ventral rami of C3 and C4 supply sensory fibers
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upper trapezius origin
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external occipital protuberance, medial 1/3 of superior nuchal line, ligamentum nuchae, from C1-C5
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upper trapezius insertion
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lateral 1/3 of clavical
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upper trapezius action
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elevate shoulders, upward rotation of the scapula
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middle trapezius origin
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spinous processes of C6-T3
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middle trapezius insertion
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medial border of the scapular spine
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middle trapezius action
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adducts (retracts) scapula
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lower trapezius origin
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spinous process T4-T12
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lower trapezius insertion
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tubercle at medial end of scapular spine
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lower trapezius action
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scapular depression, upward rotation of the scapula, scapular adduction
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Latissimous dorsi origin
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Lower 6 of thoracic (T7-T12), thoracolumbar (TLF) fascia, crest of ilium, muscular slips from lower 3or 4 ribs
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Latissimous dorsi insertion
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floor or intubercular groove of humerous
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Latissimous dorsi action
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extends, adducts, and medially rotates humerus
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Latissimous dorsi nerve innervation
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tharacodorsal (middle subscapular) C6-C8
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rhomboidueus major origin
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spines T2-T5
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rhomboidueus major insertion
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medial border of scapula b/n spine and inferior angle
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rhomboidueus major action
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adducts and rotates scapul, glenoid cavity downward
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rhomboidueus major nerve innervation
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dorsal scapular C5
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Rhomboideus minor origin
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ligamentum nuchae spines C7-T1
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Rhomboideus minor insertion
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root of scapular spine
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Rhomboideus minor action
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adducts and rotates scapula
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Rhomboideus minor nerve innervation
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dorsal scapula C5
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levatar scapulae origin
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transverse process of atlas(C1), axis (C2), C3-C4
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levatar scapulae insertion
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superior medial border of scapula
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levatar scapulae action
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elevates and rotates scapula downward
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levatar scapulae nerve innervation
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dorsal scapular C5
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serratus posterior superior origin
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inferior portion of ligamentum nuchae and spinous processes C7-T3
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serratus posterior superior insertion
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superior borders of ribs 2-4 sometimes 5
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serratus posterior superior action
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elevates superior ribs, and aids in inspiration
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serratus posterior superior nerve innervation
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intercostals nn ?neural network?
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serratus posterior inferior origin
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spinous process T11-T12 and L1 L2
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serratus posterior inferior insertion
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inferior borders of ribs 9-12
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serratus posterior inferior action
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depresses ribs 9-12
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serratus posterior inferior nerve innervation
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intercostals nn ?neural network?
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serratus anterior evaluation
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push test
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serratus anterior origin
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lateral surface of 1st to 8th ribs
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serratus anterior insertion
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anterior surface of medial border of scapula
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serratus anterior action
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protracts (abducts) and rotates scapula upward; fixes scapula against thorax
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serratus anterior nerve innervation
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long thoracic
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cervical curvature
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convex anteriorly-lordotic
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thoracic curvature
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concave anteriorly-kyphotic
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lumbar curvature
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convex anteriorly-lordotic
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sacral curvature
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concave anteriorly-kyphotic
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primary curvatures
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at birth only the thoracic and sacral kyphotic curves are present
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secondary curvatures
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the cervical curve develops as a baby is able to lift his/her head and lumbar curve develops with the assumption of an erect, bepedal posture(look up times)
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scoliosis
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lateral sway in spine
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kyphosis
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hump-back
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anterior longitudinal ligament
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strong ligament located on the anterior and lateral surfaces of vertebral bodies- runs from sacrum to C2
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Posterior longitudinal ligament
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located along the posterior surfaces of the vertebral bodies (within vertebral canal)-runs from sacrum to C2
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interspinous
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runs between spines of adjacent vertebraa- limits flexion
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supraspinous
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runs along the tips of the spinous processes from sacrum to C7
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Ligamentum Nuchae
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the superior continuation of the supraspinous ligament that runs from C7 to the external occipital protuberance- also limits flexion
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Ligamentum flavum
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located on the posterior surface of the vertebral canal runs from sacrum to C2
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true (vertebrocostal) ribs
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ribs 1-7. they attach directly to the sternum via costal cartilages associated with each rib
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false (vertebrocostal) ribs
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ribs 8-10. they have an indirect connection with the sternum. their cartilage articulates with the cartilage of the rib superior to them
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floating ribs
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ribs that do not connect to adjacent cartilage or the sternum
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rib head
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wedge shaped with articular surfaces of attachment to vertebra bodies
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joint where ribs connect to vertebrae
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costovertebral
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rib neck
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b/n head and tubercle
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rib tubercle
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have facet for the articulation with the transverse process
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joint where ribs connect to transverse processes
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costotransverse
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rib angle
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point of greatest change in curvature
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costal groove
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contains and protects intercostal arteries veins and nerves
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costal cartilage
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hyaline
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manubrium
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handle of sword
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3 parts of sternum
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manubrium
body xiphoid process |
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jugular notch
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suprasternal notch
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sternal angle
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bottom of maunbrium. attachment site of second rib level of trachea split
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sternum body
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longer narrower that manubrium located at level T5-T9
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xiphoid process
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found at level T10. tip of sternum
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surgical neck of humerous
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narrow portion of the bone just distal to the tubercles (most common fracture site)
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coracoclavicular joint
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provide main reinforcement to prevent tp superior and lateral separation of the AC joint
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2 parts of the coracoclavicular joint
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Conoid
Trapezoid |
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Conoid
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runs from coracoid process and trapezoid ligaments. vertically oriented and located medial and slightly posterior to trapezoid
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trapezoid
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runs from coracoid process to the trapezoid line of the clavicle. the fibers are oriented more horizontally than conoid
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AC joint x-ray
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bilarteral x-ray should get both left and right sides for comparison
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most breast cancer occur
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superior lateral quadrant contains 50% of breast cancers
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Pectoralis major origin
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medial half of clavicle, sternum to 6th costal cartilage, cartilages of ribs 2-6
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Pectoralis major Insertion
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lateral lip of intertubercular groove of humerous
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Pectoralis major Action
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adducts flex and medially rotates arm
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Pectoralis major nerve innervation
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medial and lateral pectoral, clavicular head (C5 and C6, sternocostal head (C7, C8, and T1)
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Pectoralis minor origin
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upper outer surface of ribs 3-5 3 muscles
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Pectoralis minor insertion
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coracoid process of scapula
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Pectoralis minor action
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stabilizes and depresses scapula
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Pectoralis minor nerver innervation
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medial pectoral (C8-T1)
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supraglenoid tubercle
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above glenoid cavity where the long head of the biceps attaches
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infraglenoid tubercle
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below glenoid cavity where the long head of the triceps attaches
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two names for the humerous notch on scapula
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glenoid fossa
glenoid cavity |
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glenoid labrum
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gives glenoid cavity about 50% more dept
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ligaments that help to hold the humerus in the glenoid fossa
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glenohumeral ligaments
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number of glenohumeral ligaments
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3 superior
middle inferior |
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corocohumeral ligament
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runs from lateral border of the coracoid process to the anterior border of the greater tubercle
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subacromial space location
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between the coracoacromial arch and the humeral head
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coracoacromial arch
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acromion, coracoacromial ligament, and coracoid process
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contents of subacromial space
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subacromial bursae
supraspinatus tendon glenohumeral joint capsule biceps long head tendon |
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most common rotator cuff injury
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supraspinatus tendon impingement
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deltoid origin
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lateral 1/3 of clavicle, acromion, and spine of scapula
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deltoid insertion
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deltoid tuberosity on the humerus
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anterior deltoid action
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flexes, horzontally adducts, medially rotates arm
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middle deltoid action
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abducts arm
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posterior deltoid action
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extends, horizontally abducts and laterally rotates the arm
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deltoid nerve innervation
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axillary (C5,C6)
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teres major origin
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dorsal surface of inferior angle of scapula
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teres major insertion
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medial lip of intertubercular groove of humerus
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teres major action
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adducts, medially rotates , and extends humerus (same as lats)
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teres major nerve innervation
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lower subscapular (C6-C7)
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triceps origin
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infraglenoid tuberosity of scapula
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triceps insertion
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olecranon of ulna and deep fascia of forearm
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triceps action
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extends forearm, assists in extending humerus
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triceps nerve innervation
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radial (C6-C8)
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rotator cuff muscles
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SITS
supraspinatus infraspinatus teres minor subscapularis |
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supraspinatus orgin
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supraspinatus fossa of scapula
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supraspinatus insertion
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superior facet of greater tuberosity of humerus (horizontal part of humerus head)
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supraspinatus action
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assists deltoid in abducting arm, fixes head of humerus to glenoid cavity, rotates head of humerus laterally
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supraspinatus nerve innervation
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suprascapular (C5, C6)
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infraspinatus origin
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infraspinatus fossa of scapula
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infraspinatus insertion
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middle facet of greater tuberosity of humerus (verticle part of humerus head)
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infraspinatus action
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laterally rotates arm
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infraspinatus nerve innervation
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suprascapular (C5, C6)
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teres minor origin
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superior portion of lateral border of scapula
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teres minor insertion
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lowest facet greater tuberosity of humerus
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teres minor action
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laterally rotates arm, and adducts arm
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teres minor nerve innervation
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axillary (C5, C6)
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subscapularis origin
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subscapular fossa
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subscapularis insertion
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lesser tuberosity of humerus
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subscapularis action
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medially rotates arm and adducts arme
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subscapularis nerve innvervation
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upper and lower subscapular nerves (C5-C7)
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boundaries of quadrangular space
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superior: teres minor
lateral: surgical neck of humerus inferior: teres major medial: long head of triceps |
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structures passing through quadrangular space
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axillary nerve
posterior humeral circumflex |
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boundaries of triangular space
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superior: teres minor
inferior: teres major lateral: long head of triceps apex: b/n teres minor and major medially |
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structures passing through triangular space
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circumflex scapular artery
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boundaries of triangle interval
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superior: teres major
lateral: lateral head of triceps medial: long head of triceps |
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structures of the triangle interval
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radial nerve
deep brachial artery |
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C5
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Lateral epicondyle
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C6
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thumb
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C7
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index/middle finger
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C8
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ring/little finger
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T1
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medial epicondyle
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Axillary artery before it was axillary artery and where does it change
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subclavian artery changes distal to the first rib
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axillary artery after it is axillary artery and where does it change
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brachial.. it changes after the teres major
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1 branch of axillary artery
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superior thoracic goes down
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2 branch of axillary artery
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thoracoacromial trunk going up
lateral thoracic a going down |
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3 branch of axillary artery
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subscapular a going down
-- circumflex scapular -- thoracodorsal Posterior circumflex humeral Anterior Circumflex humeral |