4. Muscles: Anterior Hip and Thigh

Question 1

Identify

Answer 1

1. Tensor fascia latae muscle

• *2.** Sartorius muscle
• *3.** Quadriceps femoris muscles

Question 2

Identify 1. O & I

Answer 2

1. Tensor fascia latae muscle

• origin:* anterior superior iliac spine
• insertion*: iliotibial tract

Question 3

Identify 1. innervation

Answer 3

1. Tensor fascia latae muscle

innervation: superior gluteal nerve

Question 4

Identify 1. ACTIONS?

Answer 4

1. Tensor fascia latae muscle

→ Flexion, abduction, internal rotation of the hip

Question 5

Identify 2. O & I

Answer 5

• *2.** Sartorius muscle
• origin:* anterior superior iliac spine

insertion: pes anserinus

Question 6

Identify 2. O & I

Answer 6

• *2.** Sartorius muscle
• origin:* anterior superior iliac spine

insertion: pes anserinus

Question 7

Identify

Answer 7

• *1.** Pectineus muscle
• *2.** Adductor longus muscle

3. Gracilis muscle

Question 8

Identify 1. O & I

Answer 8

• *1.** Pectineus muscle
• origin:* pecten pubis
• insertion*: pectineal line of the femur

Question 9

Identify 2. O & I

Answer 9

2. Adductor longus muscle

• origin:* inferior to the pubic tubercle
• insertion:* middle third of linea aspera

Question 10

Identify 3. O & I

Answer 10

3. Gracilis muscle

• origin*: inferior ramus of pubis
• nsertion:* pes anserinus, tibial tuberosity

Question 11

identify

Answer 11

1. Obturator externus muscle

2. Quadratus femoris muscle

3. Adductor magnus muscle

Question 12

identify 1. O & I

Answer 12

1. Obturator externus muscle

• origin:* outer surface of the obturator memrane and surrounding bones
• insertion*: trochanteric fossa

Question 13

identify 1. innervation

Answer 13

1. Obturator externus muscle

innervation: obturator nerve

Question 14

identify 2. O & I

Answer 14

2. Quadratus femoris muscle

• origin*: ischial tuberosity
• insertion*: quadrate tubercle on the intertrochanteric crest

Question 15

identify 2. innervation

Answer 15

2. Quadratus femoris muscle

innervation: sacral plexus

Question 16

identify 3. O & I

Answer 16

3. Adductor magnus muscle

• origin:* ramus of ischium, ischial tuberosity
• insertion*: from the gluteal tuberosity along the linea aspera till the adductor tubercle

Question 17

Identify

Answer 17

Question 18

Origin and Insertion of quadriceps femoris

Answer 18

• 1) rectus femoris → origin*: anterior inferior iliac spine
• 2-4) vastus medialis, intermedius and lateralis → origin*: anterior surface of the femur

insertion: base of patella and the tibial tuberosity via the patellar ligament