Synovial Joint Types Flashcards
Planar joints are also called ______ joints.
gliding
What joints are classified as synovial joints? (3 of them)
knee joint, glenohumeral, elbow
______ is a simple movement in which two opposing surfaces slide slightly back-and-forth or side-to-side with respect to one another.
Gliding
Plane/planar/gliding:
flattened/slight curved faces slide across others; ONLY SIDE-TO-SIDE MOVEMENT; CARPALS AND TARSALS; (DIARTHROSES)
Hinge:
convex feature of one bone fits into concave of another; UNIAXIAL; ELBOW & KNEE
Pivot:
bone w/rounded surface fits into a ring formed from ligament; UNIAXIAL; BETWEEN RADIUS AND ULNA, AND VERTEBRAE
Condylar:
oval articular surface of one bone meets w/depressed oval surface; FINGERS
Saddle:
THUMB
Ball-and-socket:
round head of bone rests in cup-shaped depression; FEMUR MEETING HIP BONE, GLENOHUMERAL; ROTATE IN LARGE CIRCLES
Which -axial are plane, hinge, and pivot joints?
Uniaxial
Which -axial are condylar and saddle joints?
Biaxial
Which -axial is ball-and-socket joint?
Multi/triaxial