Lower Limb muscle actions

Question 1

Gluteus Maximus

Answer 1

Extends and External rotation of the hip

Question 2

Gluteus Medius

Answer 2

• ABduction and Medially rotates of the hip joint

- also stabilizes pelvis

Question 3

Gluteus minimus

Answer 3

• ABduction and Medially rotates of the hip joint

- also stabilizes pelvis

Question 4

Piriformis

Answer 4

ABduction and lateral rotation of the hip

Question 5

Gemelli

Answer 5

lateral rotation and ADduction and of the hip

Question 6

Rectus femoris

Answer 6

FEmoris

1. Flexes the hip
2. Extension of leg at knee joint

Question 7

Tensor fasciae latae

Answer 7

Flexion
Medial Rotation
ABduction

all at hip

Question 8

Obturator internus

Answer 8

Obturator internus (obturAtor inTErnus)→ A for adduction and Two E’s → exstension and external rotation

External rotation
Extension
ADduction

all at hip joint

Question 9

Quadratus femoris

Answer 9

External rotation and adduction of the hip joint

Question 10

Pectineus

Answer 10

Hip joint:

• ADuction
• lateral rotation

Question 11

Adductor brevis and longus

Answer 11

Flexion and Adduction of hip joint

Question 12

Gracilis

Answer 12

Adduction at hip joint

FLEXION of knee

Question 13

Adductor Magnus

Answer 13

Adduction and extension of hip joint

Question 14

Vastus

• medialis
• lateralis
• intermedius

Answer 14

Knee joint extension

Question 15

Sartorius

Answer 15

Hip Joint:

• Flexion
• ABduction
• External rotation

Knee Joint
-Flexion

Question 16

Semitendinosus

Answer 16

1. Extension of hip

2. Flexion at knee

Question 17

Biceps femoris: Long head

Answer 17

Flexion of knee

Extension of hip

Question 18

Fibularis Longus

Answer 18

Plantar flexion

Eversion

Question 19

Semimembranous

Answer 19

1. Extension of hip

2. Flexion at knee

Question 20

Fibularis Brevis

Answer 20

Plantar flexion

Eversion

Question 21

Tibialis Anterior

Answer 21

• Dorsiflexion

- Inversion

Question 22

Extensor Hallucis longus

Answer 22

• Dorsiflexion

- Extends 1st digit

Question 23

Extensor digitorum longus

Answer 23

Dorsiflexion

Extends digits 2-5

Question 24

Gastrocnemius

Answer 24

1. Plantar flexion
2. flexion at KNEE JOINT
3. Lifts up heel when walking

Question 25

Soleus | Plantaris

Answer 25

Plantar flexion

Question 26

Tibialis Posterior

Answer 26

Plantarflexion | Inversion

Question 27

Flexor digitorum longus

Answer 27

flexion of digits 2-5

Question 28

Flexor hallucis longus

Answer 28

Flexion of 1st digit

Question 29

Popliteus

Answer 29

Medial rotation (to unlock knee)

Question 30

Extensor digitorum brevis

Answer 30

Extends toes 2nd through 5th

Question 31

Extensor hallucis brevis

Answer 31

Extends 1st digit at MTP joint

Question 32

Flexor digitorum brevis

Answer 32

Flexes digits 2-5

Question 33

Abductor digiti minimi

Answer 33

Abducts 5th digit

Question 34

Quadratus Plantae

Answer 34

Tension on flexor digitorum longus for flexion of toes

Question 35

Lumbricals

Answer 35

flexion of MTP Joint * 1*- Median VAN * 2-4*- Lateral VAN

Question 36

Flexor hallucis brevis

Answer 36

flexes the 1st digit

Question 37

Adduct hallucis

Answer 37

Adducts 1st digit you have a oblique head and transverse head