msucles of the HIP

Question 1

what muscle can be a laterally rotators in extension or a medial rotators in flexion

Answer 1

pirifomris

Question 2

adductors can be ___ or ___

Answer 2

flexors or extensors

Question 3

what is the function of hip flexors

Answer 3

brings swing limbs forward during gait

Question 4

what do hip flexors resist

Answer 4

hip extension forces

Question 5

what are the 4 primary hip flexors

Answer 5

iliopsoas
rectus femoris
TFL
sartorius

Question 6

what muscle does anterior pelvic tilt , lumbar extension and hip flexion in sitting

Answer 6

iliopsoas

Question 7

what is the function of the rectus femoris

Answer 7

hip flexion and knee extension

Question 8

the rectus femoris is the biggest contribution to hip flexion when the knee is ___

Answer 8

flexed

Question 9

what motion does the sartorius do at the hip? knee?

Answer 9

hip: flexion , abduction and ER
knee: flexion and medial rotation

Question 10

what is the function of the hip adductors

Answer 10

stabilizes hip in standing

Question 11

what muscle can help hip flexion from extension

Answer 11

hip adductors

Question 12

what muscle can extend from a flexed position

Answer 12

hip adductors

Question 13

what are the 5 hip adductors

Answer 13

pectineus
adductor brevis
adductor longus
adductor magnus
gracilis

Question 14

which hip adductors is a 2joint structure

Answer 14

gracilis

Question 15

what can the gracilis help do

Answer 15

flex hip if knee is extended

Question 16

what are the 2 main hip extensors

Answer 16

glute max
hamstrings

Question 17

what is the function og glute max for hip

Answer 17

laterla rot and extension

Question 18

what muscle has the longest MA/ peak efficiency for extension when the hip is flexed ~70

Answer 18

glute max

Question 19

what muscle is a 2 joint muscles and does knee flexion and rotation and hip extension

Answer 19

hamstrings (semitend. , semimem., biceps fem)

Question 20

for the hamstrings, if the the knee is flexed greater than 90° , what does it lose ability to do

Answer 20

extend hip

Question 21

hip extensors are assisted by what 3 muscles

Answer 21

posteior glut med
post adductor magnus
piriformis

Question 22

what are the 2 hip abductors

Answer 22

glute min and med

Question 23

what is the function of glute med

Answer 23

abduction in all hip positions

Question 24

when the hip is flexed what do all portions of the glut med do

Answer 24

IR

Question 25

anterior fibers of the glute med does what

Answer 25

flexion and IR

Question 26

posteior fibers of the glute med does what

Answer 26

ext and ER

Question 27

what is the function of the glute min

Answer 27

abduction and flexion of the hip

Question 28

what muscle plays a role in capsular tightening of the hip

Answer 28

glute min

Question 29

what are 3 mm that the hip abductors are assisted by

Answer 29

superior glute max
sartorius
TFL

Question 30

what are the 4 hip lateral rotators

Answer 30

obturator internus and externus
gemellus superior and inferior
quadratus fem
piriformis

Question 31

does the obturator internus or externus have decreased MA with hip flexion

Answer 31

OI

Question 32

what does the piriformis do when the hip is flexed > 90°

Answer 32

IR

Question 33

what are the 2 mm that assist the hip lateral rotators

Answer 33

posterior glute med
glute max

Question 34

what are the 2 muscles that are effective lateral rotators regardless of hip flexion

Answer 34

obturator externus and quadratus femoris

Question 35

what are the hip IR mm

Answer 35

no primary ones

contributors from anterior glute med , min , TFL , adductors