Anterior and Lateral Leg Flashcards
Lateral Compartment
Contents and Innervation/Supply
Fibularis Longus M.
Fibularis Brevis M.
Perforating Branches of Fibular A.
Superficial Fibular N.
Fibularis Longus Muscle
O-Fibular Head
I-Medial Cuneiform, 1st metatarsal
Everts and plantar flexes
Superficial Fibular N.
Perforating Branches of Fibular A.
Fibularis Brevis Muscle
O-Fibula
I-5th metatarsal
Eversion and Plantar Flexion
Superficial Fibular N.
Perforating Branches of Fibular A.
Anterior Compartment
Contents and Innervation/Supply
Tibialis Anterior M.
Extensor Digitorum Longus M.
Fibularis Tertius M.
Extensor Hallucis Longus M.
Deep Fibular N.
Anterior Tibial A.
Tibialis Anterior Muscle
O-Lateral Tibial Condyle
I-Medial Cuneiform
Dorsiflexion and Inversion
Deep Fibular N.
Anterior Tibial A.
Extensor Digitorum Longus Muscle
O-Fibula
I-Distal Phalanges 2-5
Extends digits 2-5 and dorsiflexion
Deep Fibular N.
Anterior Tibial A.
Fibularis Tertius Muscle
O-Fibula
I-5th metatarsal
Dorsiflexion and eversion
Deep Fibular N.
Anterior Tibial A.
Extensor Hallucis Longus Muscle
O-Fibula
I-Distal Phalanx of Hallux
Extends hallux and dorsiflexion
Deep Fibular N.
Anterior Tibial A.
Common Fibular Nerve Injury
Causes foot drop
Foot strikes with a clop
High stepping gait
Compartmental Syndromes
Internal bleeding increases intercompartmental pressure
Treat with Fasciotomy
Shin Splints
Micro trauma to Tibialis Anterior Muscle
Causes minor compartmental swelling
Common Fibular Nerve Branches
Superficial Fibular N
Deep Fibular N.
Superficial Fibular Nerve
Cutaneous innervation of almost entire dorsum of foot and anteroinferior leg
Lateral Compartment Ms. innervation
Deep Fibular Nerve
Cutaneous innervation of 1st interdigital space
Anterior Compartment Ms. innervation
Anterior Tibial Artery
Supplies Anterior Compartment Ms.
From Popliteal A.
Branches to Dorsalis Pedis A.