Superior Lower extremity OINAs

Question 1

Iliacus

Answer 1

O: 2/3 superior iliac fossa
I: Lesser Trochanter
N: Femoral Nerve (L2,L3)
A: Flex hip, Lateral rotation

Question 2

Psoas Major

Answer 2

O: T12-L5
I: Lesser Trochanter
N: Ventral Primary Rami (L1,L2,L3)
A: Flex hip, lateral rotation

Question 3

Sartorius

Answer 3

O: ASIS
I: Pes Anserine
N: Femoral (L2,L3)
A: Flex hip, Ext knee, Lateral rotation, Abduction

Question 4

Psoas Minor

Answer 4

O:T12-L1
I: Pectineal line, Iliopectineal eminence
N: VPR (L1,L2,L3)
A: Stabilization pelvis-proprioceptive role

Question 5

Gluteus Maximus

Answer 5

O: Posterior Ilium, dorsal surface of sacrum and coccyx, sacrotuberous ligament
I: Iliotibial Tract, Gluteal tuberosity femur
N: Inferior gluteal nerve (L5,S1,S2)
A: Ext hip, Lateral rotation hip

Question 5

Rectus Femoris

Answer 5

O: AIIS
I: Base Patella, Tibial tuberosity
N: Femoral Nerve (L2,L3,L4)
A: Ext Knee

Question 6

Biceps Femoris (LH)

Answer 6

O:Ischial Tuberosity
I: Head of Fibula
N: TIbial Nerve (L5,S1,S2)
A: Flex knee, lateral rotation knee, hip ext

Question 7

Biceps Femoris (SH)

Answer 7

O: Linea aspera, lateral supracondylar line femur
I: Head of Fibula
N: Common Fibula nerve (L5,S1,S2)
A: Flex knee, Lat rotation knee

Question 8

Semitendinosus

Answer 8

O: Ischial Tuberosity
I: Pes Anserine
N: Tibial Nerve (L5,S1,S2)
A: Flex knee, Hip ext, medial rotation knee

Question 9

Semimembranosus

Answer 9

O: Ischial Tuberosity
I: Posterior medial tibial condyle
N: Tibial Nerve (L5,S1,S2)
A: Knee flex, medial rotation knee, hip ext

Question 10

Gluteus Medius

Answer 10

O: Superior half of external Iliac surface
I: Lateral greater trochanter
N: Superior gluteal nerve (L4,L5,S1)
A: Abduction, Lateral rotation

Question 11

Gluteus Minimus

Answer 11

O: inferior half of external Iliac surface
I: Anterior greater trochanter
N: Superior gluteal nerve (L4,L5,S1)
A: Abduction, Lateral rotation

Question 12

Tensor Fascia Lata

Answer 12

O: ASIS
I: Iliotibial Tract
N: Superior Gluteal nerve (L4,L5,S1)
A: Abduction, medial rotation, flex hip

Question 13

Vastus Medialis

Answer 13

O: Intertrochantric line, medial lip linea aspera
I: Base Patella, Tibial Tuberosity
N: Femoral Nerve (L2,L3,L4)
A: Knee extension

Question 14

Vastus Lateralis

Answer 14

O: Greater Trochanter, Lateral lip of linea aspera femur
I: Base patella, Tibial tuberosity
N: Femoral Nerve (L2,L3,L4)
A: Knee extension

Question 15

Vastus Intermedius

Answer 15

O: Anterior and lateral surface of femur
I: Base patella, Tibial tuberosity
N: Femoral Nerve (L2,L3,L4)
A: Extend Knee

Question 16

Piriformis

Answer 16

O: Anterior surface sacrum, sacrotuberous ligament
I: Superior border greater trochanter
N: Nerve to Piriformis (L5, S1, S2)
A; Lateral rotation of extended hip, abduction of flexed hip

Question 17

Obturator Internus

Answer 17

O: Interal surface of Obturator foramen
I: Medial surface of greater trochanter
N: Nerve to Obturator internus (L5,S1,S2)
A: Lateral rotation of extended hip, abduction of flexed hip

Question 18

Pectineus

Answer 18

O: Superior Ramus pubis
I: Pectineal line femur
N: Femoral Nerve (L2,L3,L4)
A: Flexion, Adduction, internal/external rotation hip

Question 19

Superior Gemellus

Answer 19

O: Ischial Spine
I: Medial surface greater trochanter
N: Nerve to obturator internus (L5,S1,S2)
A: Lateral rotation of extended hip, abduction of flexed hip

Question 20

Inferior Gemellus

Answer 20

O: Ischial tuberosity
I:Medial surface of greater trochanter
N: Nerve to quadratus femoris (L4,L5,S1)
A: Lateral rotation of extended hip, abduction of flexed hip