Hip AK and OK

Question 1

Osteokinematics of femur on pelvis

Answer 1

flexion/extension
abduction/adduction
ER/IR

Question 2

Flexion AK OKC

Answer 2

convex on concave

superior roll, inferior slide

Question 3

Extension AK OKC

Answer 3

convex on concave

inferior roll, superior slide

Question 4

Abd AK OKC

Answer 4

convex on concave

superior roll, inferior slide

Question 5

Add AK OKC

Answer 5

convex on concave

inferior roll, superior slide

Question 6

IR AK OKC

Answer 6

convex on concave

medial roll, lateral slide

Question 7

ER AK OKC

Answer 7

convex on concave

lateral roll, medial slide

Question 8

Osteokinematics of pelvis on femur

Answer 8

anterior/posterior pelvic tilt
lateral tilt
forward/backward rotation

Question 9

APT and PPT occur in what plane

Answer 9

sagittal

Question 10

anterior tilt produces hip _____.

Answer 10

flexion

Question 11

posterior tilt produces hip ___.

Answer 11

extension

Question 12

Anterior tilt AK CKC

Answer 12

concave on convex

anterior roll and slide

Question 13

Posterior tilt AK CKC

Answer 13

concave on convex

posterior roll and slide

Question 14

lateral pelvic tilt occurs in what plane and is associated with what 2 movements?

Answer 14

frontal plane

ABD/ADD

Question 15

In unilateral stance what will be seen at the hip?

Answer 15

pelvic hike

pelvic drop

Question 16

In bilateral stance, the movement of the pelvis is described as

Answer 16

pelvic shift

Question 17

Right pelvic hiking results in ________ at the hip on the L

Answer 17

abd

Question 18

Right pelvic dropping results in ______ at the hip on the L

Answer 18

add

Question 19

Lateral Pelvic Tilt AK CKC

Answer 19

concave on convex
ABD: superior roll and slide
ADD: inferior roll and slide

Question 20

With R hip hiking, describe OK and AK on L hip

Answer 20

AK: superior roll and slide
OK: L hip abd
concave on convex

Question 21

With a R pelvic shift, the R leg is ____ while the L leg is ___.

Answer 21

add

abd

Question 22

forward and backward rotation occur in what plane and are associated with what 2 motions?

Answer 22

transverse

IR/ER

Question 23

Forward rotation results in ______ of the stance hip joint and the side of the pelvis opp to stance leg moves _____.

Answer 23

IR

anterior

Question 24

Backward rotation results in ______ of the stance hip joint and the side of the pelvis opp to stance leg moves _____.

Answer 24

ER

posterior

Question 25

Forward rotation AK CKC

Answer 25

concave on convex

anterior roll and slide

Question 26

Backward rotation AK CKC

Answer 26

concave on convex

posterior roll and slide

Question 27

Close Packed

Answer 27

full extension with slight IR and ABD

Question 28

open packed

Answer 28

moderate flexion, slight ABD, neutral rotation

Question 29

Capsular pattern

Answer 29

IR = Flexion = ABD

Question 30

What two groups of muscles work together as a force-couple to produce an APT?

Answer 30

hip flexors and low back extensors

Question 31

What two groups of muscles work together as a force-couple to produce an PPT?

Answer 31

hip extensors and abdominal muscles

Question 32

What two muscles coactivate to produce a moderate to high powered hip flexion?

Answer 32

hip flexors and abdominal muscles

Question 33

____ must prod strong enough PPT to neutralize the APT exerted by _____.

Answer 33

rectus abdominis

hip flexors

Question 34

What muscle is capable of producing bidirectional torque in the sagittal plane?

Answer 34

adductor longus

Question 35

When the hip is flexed what muscle contributes to hip extension?

Answer 35

adductor longus

Question 36

Adductor longus is suseptible to soreness/straining with what two types of activity? What type of motion is it beneficial for?

Answer 36

running and jumping

high-power cyclic motions