Test 2 OIA's

Question 0

Adductor longus

Answer 0

O: pubic tubercle
I: medial lip of linea aspera
A: adduct hip. Medially rotate hip. Assist to flex hip.

Question 1

Adductor Magnus

Answer 1

O: inferior ramus of pubis
I: medial lip of linea aspera, adductor tubercle
A: common :addict hip, medially rotate hip, assist to flex hip. Posterior fibers: extend the hip.

Question 2

Adductor brevis

Answer 2

O: inferior ramus of pubis.
I: pectineal line and medial lip of linea aspera
A: adduct hip. Medially rotate hip. Assist to flex hip.

Question 3

Pectineus

Answer 3

O: superior ramus of pubis
I: pectineal line of femur.
A: adduct hip. Medially rotate hip. Assist to flex hip.

Question 4

Gracilis

Answer 4

O: inferior ramus of pubis
I: proximal, medial shaft of tibia at pes anserinus tendon
A: adduct hip. Medially rotate hip. Flex knee. Medially rotate flexed knee.

Question 5

Piriformis

Answer 5

O: anterior surface of sacrum
I: superior aspect of greater trochanter.
A: laterally rotate hip. Abduct hip when hip flexed.

Question 6

Quadratus femoris

Answer 6

O: lateral border of Ischial tuberosity
I: intertrochanteric crest, between greater and lesser trochanters
A: laterally rotate hip.

Question 7

Obturator internus

Answer 7

O: obturator membrane and interior surface of obturator foramen
I: medial surface of greater trochanter
A: laterally rotate hip.

Question 8

Obturator externus

Answer 8

O: rami of pubis and ischium, obturator membrane
I: trochanteric fossa of femur.
A: laterally rotate the hip

Question 9

Gamellus superior

Answer 9

O: Ischial spine
I: medial surface of greater trochanter.
A: laterally rotate hip.

Question 10

Gamellus inferior

Answer 10

O: Ischial tuberosity
I: medial surface of greater trochanter
A: laterally rotate the hip.

Question 12

Tensor fasciae latae

Answer 12

O: anterior iliac crest*, posterior to ASIS.
I: iliotibial tract
A: flex hip. Medially rotate hip. Abduct hip.

Question 13

Iliotibial tract

Answer 13

O: tensor fasciae latae, iliac crest*
I: gerdy’s tubercle
A: stabilizing component of hip and knee

Question 14

rectus femoris

Answer 14

O: AIIS
I: tibial tuberosity (via the PATELLA and patellar ligament)
A: extend the knee, flex the hip

Question 15

vastus medialis

and VM oblique

Answer 15

O:medial lip of linea aspera.
I: tibial tuberosity (via the patella and patellar ligament). oblique= quadriceps tendon
A: extend the knee

Question 16

vastus lateralis

Answer 16

O: lateral lip of linea aspera, gluteal tuberosity, and greater trochanter
I: tibial tuberosity (via the patella and patellar ligament)
A: extend the knee

Question 17

vastus intermedius

Answer 17

O:anterior and lateral shaft of the femur
I: tibial tuberosity (via the patella and patellar ligament)
A: extend the knee

Question 18

sartorius

Answer 18

O: ASIS
I: pes anserinus tendon
A (5): flex the hip, laterally rotate the hip, abduct the hip, flex the knee, medially rotate the flexed knee.

Question 19

iliacus

Answer 19

O:iliac fossa
I: lesser trochanter
A: (w/ origin fixed) flex the hip, may laterally rotate the hip. (w/insertion fixed:) flex the trunk toward the thigh, tilt pelvis anteriorly.

Question 20

psoas major

Answer 20

O: bodies and transverse processes of lumbar vertebrae
I: lesser trochanter.
A: (w/ origin fixed) flex hip, may laterally rotate hip. (w/ insertion fixed) flex the trunk toward thigh, tilt pelvis anteriorly. (unilaterally) assist to laterally flex the lumbar spine

Question 21

psoas minor

Answer 21

O: body and transverse processes of first lumbar vertebrae
I: superior ramus of pubis
A: assist to create lordotic curvature in the lumbar spine

Question 22

Gluteus maximus

Answer 22

O: coccyx, edge of sacrum, posterior iliac crest, sacrotuberus and sacroiliac ligaments
I:ilioibial tract (upper fibers) and gluteal tuberosity (low fib)
A:extend the hip, laterally rotate the hip, abduct the hip, lower fibers adduct hip

Question 23

semitendinosus

Answer 23

O: ischial tuberosity
I: pes anserinus tendon
A: flex knee, medially rotate flexed knee, extend the hip, assist to medially rotate hip, tilt pelvis posteriorly

Question 24

semimembranosus

Answer 24

O:ischial tuberosity
I: posterior aspect of medial condyle of tibia
A: flex knee, medially rotate flexed knee, extend hip, assist to medially rotate hip, tilt pelvis posteriorly

Question 25

biceps femoris

Answer 25

O: long head-ischial tiberosity, short head- lateral lip of linea aspera
I: head of fibula
A: flex knee laterally rotate flexed knee, tilt pelvis posteriorly, long head extends the hip and assists to laterally rotate the hip

Question 26

popliteus

Answer 26

O: lateral condyle of femur
I: proximal, posterior aspect of tibia
A: medially rotate flexed knee, flex knee
open chain=internal rotation of tibia on femur
closed chain= external rotation of femur on tibia