Thigh Muscles

Question 1

Quadriceps Femoris (Rectus Femoris, Vastus Lateralis, Vastus Medialis, Vastus Intermedius)

Answer 1

Origin:
Rectus Femoris: anterior inferior iliac spine. Vasti: linea aspera and intertrochanteric line of femur

Insertion:
Tibial tuberosity via patellar ligament

Function:
Extends knee

Question 2

Hamstrings (Biceps Femoris, Semitendinosus, Semimembranosus)

Answer 2

Origin:
Ischial tuberosity

Insertion:
Biceps Femoris: head of fibula. Semitendinosus & Semimembranosus: medial tibial condyle

Function:
Flexes knee, extends hip

Question 3

Adductor Longus

Answer 3

Origin:
Body of pubis

Insertion:
Linea aspera of femur

Function:
Adducts, flexes & medially rotates hip

Question 4

Adductor Brevis

Answer 4

Origin:
Body & inferior ramus of pubis

Insertion:
Linea aspera of femur

Function:
Adducts, flexes & medially rotates hip

Question 5

Adductor Magnus

Answer 5

Origin:
Ischiopubic ramus & Ischial tuberosity

Insertion:
Linea aspera & Adductor tubercle of femur

Function:
Adducts, flexes & medially rotates hip

Question 6

Gracilis

Answer 6

Origin:
Body & inferior ramus of pubis

Insertion:
Medial surface of tibia

Function:
Adducts hip, flexes knee

Question 7

Sartorius

Answer 7

Origin:
Anterior superior iliac spine

Insertion:
Medial surface of tibia

Function:
Flexes, abducts & laterally rotates hip, Flexes knee

Question 8

Origin:
Rectus Femoris: anterior inferior iliac spine. Vasti: linea aspera and intertrochanteric line of femur

Insertion:
Tibial tuberosity via patellar ligament

Function:
Extends knee

Answer 8

Quadriceps Femoris (Rectus Femoris, Vastus Lateralis, Vastus Medialis, Vastus Intermedius)

Question 9

Origin:
Ischial tuberosity

Insertion:
Biceps Femoris: head of fibula. Semitendinosus & Semimembranosus: medial tibial condyle

Function:
Flexes knee, extends hip

Answer 9

Hamstrings (Biceps Femoris, Semitendinosus, Semimembranosus)

Question 10

Origin:
Body of pubis

Insertion:
Linea aspera of femur

Function:
Adducts, flexes & medially rotates hip

Answer 10

Adductor Longus

Question 11

Origin:
Body & inferior ramus of pubis

Insertion:
Linea aspera of femur

Function:
Adducts, flexes & medially rotates hip

Answer 11

Adductor Brevis

Question 12

Origin:
Ischiopubic ramus & Ischial tuberosity

Insertion:
Linea aspera & Adductor tubercle of femur

Function:
Adducts, flexes & medially rotates hip

Answer 12

Adductor Magnus

Question 13

Origin:
Body & inferior ramus of pubis

Insertion:
Medial surface of tibia

Function:
Adducts hip, flexes knee

Answer 13

Gracilis

Question 14

Origin:
Anterior superior iliac spine

Insertion:
Medial surface of tibia

Function:
Flexes, abducts & laterally rotates hip, Flexes knee

Answer 14

Sartorius