S4W8 The Joints

Question 1

immovable joint

Answer 1

articulating bones in close contact and separated by only thin layer of tissue

skull structures

Question 2

slightly movable joint

Answer 2

articulating bones separated by disks of fibrocartilage

vertebral column

Question 3

freely movable joint

Answer 3

articulating bones surrounded by a joint capsule of ligaments and synovial membranes

hips, elbow, ankle

Question 4

ball-and-socket joint

Answer 4

ball shaped bone articulates with cup shaped socket (rotations)

shoulder

Question 5

condyloid joint

Answer 5

oval-shaped condyle articulates with elliptical cavity of another (move in all planes) (no rotations)

metacarpal and phalanges together

Question 6

gliding joint

Answer 6

surfaces are smooth (striding and thrusting)

wrists and ankles

Question 7

hinge joint

Answer 7

convex and concave surfaces (flexion and extention)

elbow and phalanges to each other

Question 8

pivot joint

Answer 8

cylinder shaped bone articulates with ring of bone (rotation)

joint between ends of radius and ulna

Question 9

saddle joint

Answer 9

complimentary surfaces articulating (variety of movement)

joint between carpal and metacarpal of thumbs