Hip

Question 1

What does the 20 Flexion achieve in initial contact at the hip?

Answer 1

Ensures heel contact

Question 2

What is the arc of motion at the hip during loading response?

Answer 2

Maintain 20 Flexion

Question 3

What does maintaining 20 Flexion at the hip during loading response accomplish?

Answer 3

Weight bearing stability

Question 4

What is the arc of motion at the hip during mid-stance?

Answer 4

20 Flexion - 0

Question 5

What does the 20 degrees of hip extension during mid-stance accomplish?

Answer 5

Progression of COM over BOS

single limb stability

Question 6

What is the arc of motion at the hip during terminal stance?

Answer 6

0 - 20 extension

Question 7

What does the 20 degrees of hip extension in terminal stance accomplish?

Answer 7

Progression of COM beyond BOS

Allows normal step/stride length

Question 8

What is the arc of motion at the Ho during pre-swing?

Answer 8

20 extension - 0

Question 9

What does the 20 degrees of hip Flexion at pre-swing accomplish?

Answer 9

Limb advancement initiation

Passive knee extension

Question 10

What is the arc of motion at the hip during initial swing?

Answer 10

0 - 10 Flexion

Question 11

What does the 10 degrees of hip Flexion accomplish in initial swing?

Answer 11

Limb advancement

Question 12

What is the arc of motion at the hip in mid-swing?

Answer 12

10 - 20 Flexion

Question 13

What does the 10 degrees of hip Flexion in mid-swing accomplish?

Answer 13

Continued limb advancement.

Question 14

What is the arc of motion at the hip in terminal swing?

Answer 14

Maintain 20 Flexion

Question 15

What does maintaining 20 degrees of hip Flexion in terminal swing accomplish?

Answer 15

Completing limb advancement

Ensures normal step/stride length

Question 16

What is the frontal plane motion at the hip in initial contact?

Answer 16

Neutral

Question 17

What is the frontal plane motion of the hip during loading response - midstance?

Answer 17

Neutral to 3-5 Adduction

Question 18

What is the frontal plane motion of the hip during terminal stance?

Answer 18

Neutral

Question 19

What is the objecting of frontal plane motion at the hip?

Answer 19

Relatively level pelvis assists in maintaining weight bearing stability (hip abductors)

Question 20

What is the transverse plane motion at the hip in loading response - midstance?

Answer 20

Hip internal rotation

Question 21

What is the transverse plane motion at the hip during midstance - terminal stance?

Answer 21

Hip external rotation to neutral

Question 22

What is the moment at the hip during loading response?

Answer 22

Flexion moment

Question 23

What is the muscle action at the hip during loading response?

Answer 23

Hip extensors (isometric)

Question 24

What is the moment at the hip during early midstance?

Answer 24

Reducing hip Flexion moment

Question 25

What is the muscle action at the hip during early midstance?

Answer 25

Hip extensors (concentric)

Question 26

What is the moment and muscle action at the hip during late midstance?

Answer 26

Neutral moment | No muscle action

Question 27

What is the moment at the hip during terminal stance?

Answer 27

Hip extension moment

Question 28

What is she muscle action at the hip during terminal stance?

Answer 28

Resisted passively by anterior hip capsule

Question 29

What is the moment at the hip during pre-swing?

Answer 29

Reducing hip extension moment

Question 30

What is the muscle action at the hip during pre-swing?

Answer 30

Concentric hip flexors

Question 31

What is the moment at the hip during initial swing?

Answer 31

Hip extension moment

Question 32

What is the muscle action at the hip during initial swing?

Answer 32

Hip flexors (concentric)

Question 33

What is the moment at the hip during mid-swing?

Answer 33

Hip extension moment

Question 34

What is the muscle action at the hip during mid swing?

Answer 34

Hip flexors (concentric)

Question 35

What is the moment at the hip during terminal swing?

Answer 35

Hip extension moment

Question 36

What is the muscle action of the hip during terminal swing?

Answer 36

Gluteus maximus isometric adductor Magnus isometric hamstrings eccentric

Question 37

What is the frontal plane moment on the hip during loading response to terminal stance?

Answer 37

Hip adduction moment

Question 38

What muscles resist the hip adduction moment during loading response to terminal stance?

Answer 38

Gluteus medius and gluteus maximus and tensor fascia latae

Question 39

What is the moment at the hip during loading response to terminal stance in the transverse plane?

Answer 39

Internal rotation moment

Question 40

What muscles resists the hip internal rotation moment during loading response to terminal stance?

Answer 40

Gluteus maximus and piriformis and deep hip rotators

Question 41

What is the arc of motion at the hip in initial contact?

Answer 41

20 Flexion