The lower leg and foot

Question 1

Features of the tibialis anterior muscle?

Answer 1

Origin- Lateral condyle and shaft of tibia

Insertion - medial cuneiform (bone of the foot)

Action is ankle dorsiflexion and inversion

Question 2

Features of the extensor hallucis longus?

Answer 2

Origin - fibula shaft Insertion is the distal phalnx of great toe Action is toe extension (dorsiflexion)

Question 3

Features of the extensor digtorum longus muscle?

Answer 3

Origin-lateral condyle and shaft of tibia

Insertion is the 4 lesser toes

Action is toe extension (dorsiflexion) and ankle dorsiflexion

Question 4

Features of the peronues fibularis longus (in the lateral compartment)?

Answer 4

Origin - shaft of fibula

Insertion is base of 5th metatarsal

Action is ankle eversion

Question 5

Features of the peronues fibularis Brevis (in the lateral compartment)?

Answer 5

Origin is the shaft of fibula (more distal than the longus)

Insertion is the tuberosity of 5th metatarsal

Action is ankle eversion

Question 6

Features of the deep muscle tibialis posterior?

Answer 6

Origin is shaft of tibia and fibua

Insertion is metatarsals 2-4

Supports longtidudinal arch of foot

Question 7

Features of the deep muscle flexor hallucis longus?

Answer 7

Origin is the shaft of the fibula

Insertion Is the Hallux (great toe)

Action is plantar flexes hallux (motion towards the floor)

Question 8

Feature of the deep muscle Flexor digitorum longus?

Answer 8

Origin is the shaft of tibia Insertion is the distal phalanges 2-4 (lesser toes) Action is flexion of lesser toes)

Question 9

Features of the deep muscle Popliteus?

Answer 9

Origin is the lateral condyle of femur

Insertion is the medial proximal shaft of the the tibia

Action is knee flexion and rotation

Question 10

Features of the gastrocnemius muscle in the posterior compartment?

Answer 10

Origin - medial and lateral condyle of femur

Insertion is the Calcaneus

Action is flexes the knee

Question 11

Features of the soleus muscle in the posterior compartment?

Answer 11

Origin is the tibia soleal line

Insertion is the calcaneus

Action is plantarflexes the ankle (move towards the floor)

Question 12

Features of the plantaris muscle in the posterior compartment?

Answer 12

Origin is the lateral condyle of the femur

Insertion if the calcanues

Action is flexes the knee and plantarflexes the foot

Question 13

Features of quadratus plantae?

4 plants

Answer 13

Origin - Calcaneus

Insertion - tendon of flexor digitorum longus

Action - flexes lesser toes (2-5)