Arthrokinematics

Question 1

Hip Abduction-

Answer 1

convex femur glides inferiorly on the concave acetabulum

Question 2

Hip Adduction-

Answer 2

convex femur glides superiorly on the concave acetabulum

Question 3

Hip Flexion-

Answer 3

convex femur spins posteriorly on the concave acetabulum

Question 4

Hip Extension-

Answer 4

convex femur spins anteriorly on the concave acetabulum

Question 5

Hip lateral rotation-

Answer 5

glides anteriorly

Question 6

Hip medial rotation-

Answer 6

glides posteriorly

Question 7

Knee open chain flexion-

Answer 7

-glides posteriorly and rotates medially

Question 8

Knee open chain extension-

Answer 8

glides anteriorly and rotates laterally

Question 9

Knee closed chain flexion-

Answer 9

• glides anteriorly, rolls posteriorly and rotates laterally

Question 10

Knee closed chain extension-

Answer 10

glides posteriorly, roll anteriorly and rotates medially

Question 11

Dorsiflexion closed chain-

Answer 11

• the concave tibia glides anteriorly on the convex talus

Question 12

Dorsiflexion open chain-

Answer 12

the convex talus glides posteriorly on the concave tibia

Question 13

Plantarflexion open chain-

Answer 13

convex talus glides anteriorly on the convex tibia

Question 14

Plantarflexion closed chain-

Answer 14

concave tibia glides posteriorly on the convex talus

Question 15

Shoulder abduction-

Answer 15

• the convex head of the humerus glides inferiorly, rolls superiorly, and
  slightly rotates laterally on the concave glenoid fossa. The distal end (elbow) moves superiorly in
  the frontal plane

Question 16

Shoulder adduction-

Answer 16

the convex humerus glides superiorly on the concave glenoid fossa

Question 17

Shoulder flexion-

Answer 17

convex head of the humerus glides posteriorly and inferiorly on the
concave glenoid fossa

Question 18

Shoulder Extension-

Answer 18

convex humeral head glides anteriorly and superiorly on concave glenoid fossa

Question 19

Shoulder internal/medial rotation-

Answer 19

convex humeral head glides posteriorly on

the concave glenoid fossa

Question 20

Shoulder external/lateral rotation-

Answer 20

convex humeral head glides anteriorly on

the concave glenoid fossa

Question 21

Wrist flexion-

Answer 21

-Convex proximal row of carpals glides posteriorly on the concave distal radius and
articular disk

Question 22

Wrist extension-

Answer 22

-Convex proximal row of carpals glides anteriorly on the concave distal radius
and articular disk

Question 23

Ulnar deviation-

Answer 23

-Convex proximal row of carpals glides laterally on the concave distal radius and
articular disk

Question 24

Radial deviation-

Answer 24

Convex proximal row of carpals glides medially on the concave distal radius
and articular disk