Osteokinematic/Arthrokinematic Motions

Question 1

What are the 4 osteokinematic motions of the spine?

Answer 1

Flexion, extension, rotation, and lateral flexion

Question 2

Lumbar flexion is an (anterior/posterior) and (superior/inferior) glide.

Answer 2

anterior and superior

Question 3

What is the main muscle we talked about in class that works to flex the lumbar spine?

Answer 3

The rectus abdominus

Question 4

Lumbar extension is a (anterior/posterior) and (superior/inferior) glide.

Answer 4

posterior and inferior

Question 5

What is the main muscle group we talked about in class that work to extend the lumbar spine?

Answer 5

The erector spinae

Question 6

If the lumbar spine tries to rotate to the right, the (right/left) articular facet will come under compression and limit this motion.

Answer 6

left

Question 7

What muscles work to rotate the spine?

Answer 7

The internal and external obliques

Question 8

In left lateral flexion, the right articular facet is going to slide in a (infero-medial/supero-lateral) direction and the left articular facet is going to slide in a (infero-medial/supero-lateral) direction.

Answer 8

supero-lateral; infero-medial

Question 9

What muscles laterally flex the lumbar spine?

Answer 9

The quadratus lumborum and intertransversarii muscles

Question 10

What are the normal osteokinematic motions that occur at the knee?

Answer 10

Flexion and extension

Question 11

During knee flexion and extension, the tibia is (concave/convex) and the femur is (concave/convex).

Answer 11

concave; convex

Question 12

Open chain knee flexion/extension is (concave on convex/convex on concave).

Answer 12

concave on convex

Question 13

Closed chain knee flexion/extension is (concave on convex/convex on concave).

Answer 13

convex on concave

Question 14

What is the arthrokinematics of open chain knee flexion?

Answer 14

Posterior roll and slide

Question 15

What is the arthrokinematics of open chain knee extension?

Answer 15

anterior roll and slide

Question 16

What is the arthrokinematics of closed chain knee flexion?

Answer 16

Posterior roll and anterior slide

Question 17

What is the arthrokinematics of closed chain knee extension?

Answer 17

Anterior roll and posterior slide

Question 18

What muscles work to flex the knee?

Answer 18

The hamstrings, gastrocnemius, and popliteus

Question 19

What muscles extend the knee?

Answer 19

The quadriceps femoris

Question 20

What are the osteokinematic motions at the hip?

Answer 20

Flexion/extension, adduction/abduction, and internal/external rotation

Question 21

What are the arthrokinematic motions for every motion at the hip?

Answer 21

A spin

Question 22

What muscle group and separate muscle flex the hip?

Answer 22

The quadriceps femoris and the iliopsoas

Question 23

What muscles extend the hip?

Answer 23

The gluteus maximus and the hamstrings

Question 24

What muscles adduct the hip?

Answer 24

Adductor longus, adductor magnus, adductor brevis, pectineus, and gracilis

Question 25

What muscles abduct the hip?

Answer 25

Gluteus medius, gluteus minimus, and the tensor fasciae latae

Question 26

What muscles medially rotate the hip?

Answer 26

Gluteus medius, gluteus minimus, and tensor fasciae latae

Question 27

What muscles externally rotate the hip?

Answer 27

Gluteus maximus and the external rotator muscle group (piriformis, gemellus superior, obturator internus, gemellus inferior, quadratus femoris and the obturator externus).

Question 28

What are the osteokinematic motions that occur at the foot and ankle?

Answer 28

Dorsiflexion/plantarflexion, adduction/abduction, and inversion/eversion

Question 29

For the arthrokinematic motions of the talocrual joint in open chain, the talus is moving on the tibia and fibula and the talus is (concave/convex) and the tibia and fibula are (concave/convex).

Answer 29

convex; concave

Question 30

In the open kinetic chain in dorsi flexion, the talus rolls (anteriorly/posteriorly) and slides (anteriorly/posteriorly). In the open kinetic chain in plantar flexion, the talus rolls (anteriorly/posteriorly) and slides (anteriorly/posteriorly).

Answer 30

anteriorly; posteriorly; posteriorly; anteriorly

Question 31

For the arthrokinematic motions of the talocrual joint in the closed chain, the tibia and fibula is moving on the talus and the talus stays put. The tibia and fibula are (concave/convex) and the talus is (concave/convex).

Answer 31

concave; convex

Question 32

In CKC dorsi flexion and plantar flexion it is (concave on convex/convex on concave). In CKC dorsi flexion it is an (anterior/posterior) roll and (anterior/posterior) slide. In the CKC for plantar flexion it is a (anterior/posterior) roll and (anterior/posterior) slide

Answer 32

concave on convex; anterior; anterior; posterior; posterior

Question 33

What are the motions involved in open chain supination?

Answer 33

Adduction, plantar flexion, and inversion

Question 34

What are the motions involved in open chain pronation?

Answer 34

Abduction, dorsiflexion, and eversion

Question 35

What are the motions involved in closed chain supination?

Answer 35

calcaneal inversion, talar dorsiflexion, and abduction

Question 36

What are the motions involved in closed chain pronation?

Answer 36

Calcaneal eversion, talar plantar flexion and adduction

Question 37

What muscles dorsiflex the ankle?

Answer 37

Tibialis anterior, extensor hallucis longus, and extensor digitorum longus

Question 38

What muscles plantar flex the ankle?

Answer 38

Gastrocnemius and soleus

Question 39

What muscles invert the foot?

Answer 39

Tibialis anterior and tibialis posterior

Question 40

What muscles evert the foot?

Answer 40

Fibularis longus and brevis