the leg

+

ESS 3092: KINESIOLOGY Week 14: Wednesday

2+Tibia & Fibula

Bony Landmarks Superior & Inferior

articulations

3+Popliteus

Origin Lateral aspect of the lateral femoral condyle

via the popliteus tendon

Insertion Posterior surface of the tibia

Proximal to the soleal line

Location Posterior Not easily palpated

Action Knee flexion Tibial internal rotation

+Plantaris

Origin Lower aspect of the lateral supracondylar ridge

Insertion Posterior surface of the

calcaneus via the tendo calcaneus

Location Posterior

Action Unknown Minor knee flexion/ankle plantarflexion

5+The Leg

6

+ Plantarflexors

The Ankle and Foot Joints

+

Manual of Structural Kinesiology

11-7

Gastrocnemius Muscle

Plantar flexion of ankle

Flexion of knee

The Ankle and Foot Joints

+

Manual of Structural Kinesiology

11-8

Soleus Muscle

Plantar flexion of ankle

The Ankle and Foot Joints

+

Manual of Structural Kinesiology

11-9

Peroneus Longus (fibularis) Muscle

Eversion of foot

Plantar flexion of ankle

The Ankle and Foot Joints

+

Manual of Structural Kinesiology

11-10

Peroneus Brevis (fibularis) Muscle

Eversion of foot

Plantar flexion of ankle

The Ankle and Foot Joints

+

Manual of Structural Kinesiology

11-11

Tibialis Posterior Muscle Plantar flexion of

ankle

Inversion of foot

The Ankle and Foot Joints

+

Manual of Structural Kinesiology

11-12

Flexor Digitorum Longus Muscle

Flexion of 4 lesser toes at metatarsophalangeal, proximal & distal interphalangeal joints

Plantar flexion of ankle

Inversion of foot

13

+ Dorsiflexors

14+Anterior Leg

The Ankle and Foot Joints

+

Manual of Structural Kinesiology

11-15

Tibialis Anterior Muscle Dorsiflexion of ankle

Inversion of foot

The Ankle and Foot Joints

+

Manual of Structural Kinesiology

11-16

Extensor Digitorum Longus Muscle

Extension of four lesser toes at metatarsophalangeal, proximal & distal interphalangeal joints

Dorsiflexion of ankle

Eversion of foot

The Ankle and Foot Joints

+

Manual of Structural Kinesiology

11-17

Extensor Hallucis Longus Muscle

Extension of great toe at metatarsophalangeal & interphalangeal joints

Dorsiflexion of ankle

Weak inversion of foot

18+Shin Splints

Muscles affected: Tibialis anterior, tibialis posterior,

19+Muscle commonly involved in eversion

Extensor digitorum longus

Peroneus longus

Peroneus brevis