Thigh

Question 1

Biceps Femoris
(O, I, A, N)

Answer 1

O:
Long head: Ischial tuberosity
Short head: Linea Aspera
I: Head of Fibula &
Lateral Tibial condyle
A:
Both heads:
-Flexion of the leg @ the knee jt.
Long head only;
-Extension of thigh the @ hip jt.
-Posterior pelvic tilt
N: Sciatic Nerve

Question 2

Semitendinosis
(O, I, A, N)

Answer 2

O: Ischial Tuberosity
I: Ant/medial tibia via pes anserine tendon
A:
-Flexion of the leg @ the knee jt.
-Extension of the thigh @ hip jt.
-Posterior pelvic tilt
N: Sciatic Nerve

Question 3

Semimembranosis
(O, I, A, N)

Answer 3

O: Ischial Tuberosity
I: Posterior surface of medial condyle of Tibia
A:
-Flexion of the leg @ the knee jt.
-Extension of the thigh @ the hip jt.
-Posterior pelvic tilt
N: Sciatic nerve

Question 4

TFL - Tensor Fascia Latae
(O, I, A, N)

Answer 4

O: ASIS
I: IT Band
A: -Flexion, abduction, & medial rotation of the thigh @ the hip jt.
-Anterior pelvic tilt
N: Superior Gluteal Nerve

Question 5

Sartorius
(O, I, A, N)

Answer 5

O: ASIS
I: Ant/Medial Tibia via pes anserine
A: -Flexion, Abduction, & Lateral rotation of thigh @ hip jt.
-Flexion of leg @ knee jt.
-Anterior pelvic tilt
N: Femoral Nerve

Question 6

Rectus Femoris
(O, I, A, N)

Answer 6

O: AIIS
I: Tibial Tuberosity via patellar ligament
A: -Flexion of the thigh @ the hip jt.
-Extension of the leg @ the knee jt.
-Anterior pelvic tilt
N: Femoral Nerve

Question 7

Vastus Lateralis
(O, I, A, N)

Answer 7

O: Linea aspera - lateral lip
I: Tibial tuberosity via patellar ligament
A: Extension of the leg @ knee jt
N: Femoral Nerve

Question 8

Vastus Medialis
(O, I, A)

Answer 8

O: Linea aspera - medial lip
I: Tibial tuberosity via patellar ligament
A: Extension of the leg @ knee jt

Question 9

Vastus Intermedialis
(O, I, A)

Answer 9

O: Anterior shaft & Lateral lip of linea aspera of femur
I: Tibial tuberosity via
patellar ligament
A: Extension of the leg @ the knee jt.

Question 10

Articularis Genu
(O, I, A)

Answer 10

O: Anterior distal femoral shaft
I: Joint capsule of the knee
A: Tenses & pulls the joint capsule proximally
-assists with extension of the leg @ knee jt.

Question 11

Pectineus
(O, I, A)

Answer 11

O: Pectineal line of pubis
I: Proximal femur @ pectineal line
A: -Adduction & Flexion of thigh @ hip jt.
-Anterior pelvic tilt

Question 12

Adductor Longus
(O, I, A, N)

Answer 12

O: Pubis anterior
I: Medial lip of linea aspera
A: -Adduction &
Flexion of thigh @ hip jt.
-Anterior pelvic tilt
N: Obturator nerve

Question 13

Gracilis
(O, I, A)

Answer 13

O: Anterior body & Inferior ramus of Pubic bone
I: Medial tibia via Pes Anserine tendon
A: -Adduction & Flexion of thigh @ hip jt.
-Flexion of leg @ knee jt.
-Anterior pelvic tilt

Question 14

Adductor brevis
(O, I, A)

Answer 14

O: Pubis
-inferior ramus
I: Linea aspera
A: -Adduction & Flexion of thigh @ hip jt.
-Anterior pelvic tilt

Question 15

Adductor Magnus
(O, I, A)

Answer 15

O: Ant head: Pubis
-inferior ramus Ischium
-ramus
Post head: ischial tuberosity
I: -Linea aspera of femur
-Gluteal tuberosity
-Adductor tubercle
-Medial Supracondylar line
A: -Adduction & Extension of thigh @ hip jt.
-Posterior pelvic tilt