Ankle Plantarflexors Flashcards
Name the ankle plantarflexors
Gastrocnemius, Soleus, Plantaris, Fibularis (peroneus) Longus, Tibialis Posterior,Flexor Digitorum Longus, Flexor Hallucis Longus
Gastrocnemius origin
Lateral Head: Lateral Aspect of Lateral Femoral Condyle
Medial Head: Popliteal Surface of Femur Superior to Medial Femoral Condyle
Gastrocnemius insertion
Posterior Surface Calcaneus via Calcaneal Tendon (Achilles Tendon)
Gastrocnemius nerve supply
Tibial Nerve
S1-S2
Gastrocnemius action
Plantarflexion when Knee Extended
Knee Flexion
Gastrocnemius function
Raises heel in walking
Soleus origin
Posterior Aspect of Head Fibula
Superior ¼ Posterior Surface Tibia
Soleal Line & Medial Border Tibia
Soleus insertion
Posterior Surface Calcaneus via Calcaneal Tendon (Achilles Tendon)
Soleus nerve supply
Tibial Nerve
S1-S2
Soleus action
Plantar flexion
Soleus function
pointing toes
Plantaris origin
Inferior end Lateral Supracondylar Line of Femur
Oblique Popliteal Ligament
Plantaris insertion
Posterior Surface Calcaneus via Calcaneal Tendon (Achilles Tendon)
Plantaris nerve supply
Tibial Nerve
S1-S2
Plantaris action
Weakly Assists Gastrocnemius in Plantarflexion
Plantaris function
pointing toes
Peroneus Longus origin
Head & Superior 2/3 of Lateral Surface Fibula
Peroneus longus insertion
Base 1st Metatarsal
Medial Cuneiform
Peroneus longus nerve supply
Superficial Peroneal Nerve
(Superficial Fibular Nerve)
L5 - S2
Peroneus longus action
Weak Plantarflexion
Eversion
Peroneus longus function
pointing toes
tibialis posterior origin
Interosseous Membrane
Posterior Surface Tibia inferior to Soleal Line
Posterior Surface Fibula
Tibialis posterior insertion
Navicular Tuberosity
Cuneiform
Cuboid
Bases of Metatarsals 2-4
Tibialis posterior nerve supply
Tibial Nerve L4-L5
Tibialis posterior action
Plantarflexion
Inversion
Tibialis posterior function
Pointing toes
Flexor Digitorum Longus origin
Medial Part Posterior Surface
Tibia inferior to Soleal Line
Broad Tendon to Fibula
Flexor Digitorum Longus insertion
Base Distal Phalanges Digits 2-5
Flexor Digitorum Longus nerve supply
Tibial Nerve
S2-S3
Flexor Digitorum Longus action
Plantarflexion
Flexion Lateral Four Digits
Flexor Digitorum Longus function
pointing toes
Flexor Hallucis Longus origin
Inferior 2/3 Posterior Surface Fibula
Inferior Part Interosseous Membrane
Flexor Hallucis Longus insertion
Base Distal Phalanx of Big Toe
Flexor Hallucis Longus nerve supply
Tibial Nerve
S2-S3
Flexor Hallucis Longus action
Weak Plantarflexion
Flexion Big Toe at all Joints
Flexor Hallucis Longus function
Pointing toes