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38 Cards in this Set

  • Front
  • Back
The inner layer of the articular capsule; composed or areolar connective tissue is called?
synovial membrane
The synovial membrane secretes a viscous, fluid called?
synovial fluid
What are the three functions of the synovial fluid?
1. reduce friction
2. absorbs shock
3. supplies oxygen
Many synovial joints also contain accessory ligaments? T/F
This type of ligament lies outside the articular capsule?
extracapsular ligament
This type of ligament occurs within the articular capsule but are excluded from synovial cavityby folds of the synovial membrane?
intracapsular ligament
Pads of fibrocartilage that lie b/t the articular surfaces of bones and are attached to the fibrous capsule are called?
articular discs or minisci
Which of the following is a function of the menisci?
A. subdivides synovial cavity into 2 spaces
B. modifies shape of joint surfaces
C. help maintain stability of the joint
D. All the above
D. All the above
The nerves that supply a joint are the same as those that supply the skeletal muscles that move the joint? T/F
The forcible wrenching, twisting of a joint that stretches or tears its ligaments but does not dislocate the bone?
A stretched or partially torn muscle?
A sac-like structure situated to alleviate friction in some jonts?
Tube-like bursae that wraps around certain tendons that experience considerable friction?
tendon sheath
A decrease in the angle b/t the articulating bones?
An increase in the angle of the articulating bones?
To move away from the midline?
To move towards the midline?
Movement of the distal end of a body part in a circle?
A bone revolves around its own longitudinal axis?
Movement of an anterior surface of a bone turned toward the midline?
medial (internal) rotation
Movement of anterior surface of a bone is turned away from the midline?
lateral (external) rotation
An upward movement of a body part?
A downward ovement of a body part?
A movement of a part of the body anteriorly in the transverse plane?
(i.e; movement of the mandible outwards)
Movement of a protracted body part back to anatomical position?
Movement of the soles medially at the intertarsal joints?
inversion (soles face each other)
Movement of the soles laterally at the intertarsal joints?
eversion (soles face away from each other)
Bending of the foot at the ankle or talocrural joint?
dorsiflexion -when you stand on your heels-
Bending of the foot at the ankle joint in the direction of the plantar or inferior surface?
plantar flexion -when you stand on your toes-
Movement of the forearm at the proximal and distal radioulnar joints in which the palm is turned anteriorly?
supination *think of hand as a bowl for soup*
Movement of the radioulnar joints in which the distal end of the radius crosses over the distal end of the ulna, palm is turned posteriorly?
Movement of the thumb at the carpometecarpal joint which the thumb moves across the palm to touch the tips of the fingers on the same hand?
Movement in which relatively flat bone surfaces move back and forth & side to side w/ respect to one another?
planar joint (gliding joint)
AKA: Arthroidal joint<SB!!
Convex surface of one bone articulates w/ concave surface of another bone; permits flexion & extension?
hinge joint
AKA: Ginglymus joint<SB!!
Rounded or pointed surface of one bone articulates w/ a ring formed by another bone bone & ligament; allows rotation around its own axis?
pivot joint
AKA: Trochoid joint<SB!!
Convex, oval projection of one bone fits into oval depression of another bone; permits movement in 2 axis?
condyloid joint
AKA: Ellipsoidal joint<SB!!
Modified condyloid joint where articulating bones resemble a rider sitting in a saddle;perits opposition?
saddle joint
AKA: Sellaris joint<SB!!
Ball-shaped surface of one bone articulates w/ cup-like depression of another bone;permits largest degree of movement in 3 axes?
ball and socket joint
AKA: Spheroid joint<SB!!!