The leg
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Transcript of The leg
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+
ESS 3092: KINESIOLOGY Week 14: Wednesday
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2+Tibia & Fibula
Bony Landmarks Superior & Inferior
articulations
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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
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+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
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5+The Leg
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6
+ Plantarflexors
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The Ankle and Foot Joints
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Manual of Structural Kinesiology
11-7
Gastrocnemius Muscle
Plantar flexion of ankle
Flexion of knee
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The Ankle and Foot Joints
+
Manual of Structural Kinesiology
11-8
Soleus Muscle
Plantar flexion of ankle
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The Ankle and Foot Joints
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Manual of Structural Kinesiology
11-9
Peroneus Longus (fibularis) Muscle
Eversion of foot
Plantar flexion of ankle
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The Ankle and Foot Joints
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Manual of Structural Kinesiology
11-10
Peroneus Brevis (fibularis) Muscle
Eversion of foot
Plantar flexion of ankle
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The Ankle and Foot Joints
+
Manual of Structural Kinesiology
11-11
Tibialis Posterior Muscle Plantar flexion of
ankle
Inversion of foot
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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
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13
+ Dorsiflexors
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14+Anterior Leg
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The Ankle and Foot Joints
+
Manual of Structural Kinesiology
11-15
Tibialis Anterior Muscle Dorsiflexion of ankle
Inversion of foot
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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
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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
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18+Shin Splints
Muscles affected: Tibialis anterior, tibialis posterior,
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19+Muscle commonly involved in eversion
Extensor digitorum longus
Peroneus longus
Peroneus brevis