Leg Muscles (Upper leg)

Question 1

Gluteus Maximus (origin, insertion, action, location)

Answer 1

Origin: Iliac crest, sacrum, coccyx
Insertion: Femur
Action: Rotation and extension
Location: gluteal region

Question 2

Gluteus Minimus (origin, insertion, action, location)

Answer 2

Origin: Ilium
Insertion: Greater trochanter
Action: Abduction and medial rotation
Location: Gluteal region

Question 3

Gluteus Medius (origin, insertion, action, location)

Answer 3

Origin: Iliac crest
Insertion: Greater trochanter
Action: Abduction and rotation
Location: Gluteal region

Question 4

Tensor Fasciae Latae (origin, insertion, action, location)

Answer 4

Origin: Ilium
Insertion: Iliotibial tract
Action: Flexion and abduction
Location: Gluteal region

Question 5

Semimembranosus and Semitendinosus (origin, insertion, action, location)

Answer 5

Origin: Ischial tuberosity
Insertion: Medial tibia
Action: Extension of upper leg, flexion of lower leg
Location: Posterior upper leg

Question 6

Biceps Femoris (origin, insertion, action, location)

Answer 6

Origin: Ischial tuberosity and femur
Insertion: Head of fibula
Action: Extension of upper leg, flexion of lower leg
Location: Posterior upper leg

Question 7

Gracilis (origin, insertion, action, location)

Answer 7

Origin: Pubic tubercle
Insertion: Medial tibia
Action: Adduction
Location: medial Upper leg

Question 8

Pectineus and Adductor brevis, longus, and magnus (origin, insertion, action, location)

Answer 8

Origin: Pubic bone
Insertion: Linear aspera
Action: Adduction
Location: medial Upper leg

Question 9

Vastus muscles (origin, insertion, action, location)

Answer 9

Origin: Femur
Insertion: Tibial tuberosity
Action: Lower leg extension
Location: anterior Upper leg

Question 10

Rectus femoris (origin, insertion, action, location)

Answer 10

Origin: Anterior inferior iliac spine
Insertion: Tibial tuberosity
Action: Extension and flexion
Location: Anterior Upper leg

Question 11

Sartorius (origin, insertion, action, location)

Answer 11

Origin: Anterior superior iliac spine
Insertion: Medial tibia
Action: Crossing legs and lower leg extension
Location: anterior Upper leg

Question 12

Peroneus longus

Answer 12

Origin: fibula
Insertion: metatarsals
Action: eversion
Location: lateral lower leg

Question 13

Peroneus brevis

Answer 13

Origin: fibula
Insertion: 5th metatarsal
Action: eversion
Location: lateral lower leg

Question 14

Tibialis anterior

Answer 14

Origin: tibia
Insertion: 1st metatarsal
Action: flexion and inversion
Location: anterior lower leg

Question 15

Extensor digitorum

Answer 15

Origin: tibia
Insertion: digits
Action: extension and flexion
Location: anterior lower leg

Question 16

Extensor hallucis

Answer 16

Origin: tibia
Insertion: big toe
Action: extension and plantar flexion
Location: anterior lower leg

Question 17

Tibialis posterior

Answer 17

Origin: tibia
Insertion: navicular, 3rd cuneiform, 3+4 metatarsal
Action: plantar flexion
Location: posterior lower leg

Question 18

Flexor digitorum

Answer 18

Origin: tibia
Insertion: digits
Action: plantar flexion
Location: posterior lower leg

Question 19

Flexor hallicus

Answer 19

Origin: tibia
Insertion: big toe
Action: flexion
Location: posterior lower leg

Question 20

Soleus

Answer 20

Origin: tibia
Insertion: calcaneous
Action: flexion
Location: posterior lower leg

Question 21

Gastrocnemius

Answer 21

Origin: femur
Insertion: calcaneus
Action: flexion
Location: posterior lower leg