Actions of LE Flashcards by Amanda Christensen

Muscles of Hip Flexion

Psoas Major (NWB)
Iliacus (NWB)
Rectus Femoris (NWB)
Sartorius (NWB)
Pectineus (NWB)
Gracilis (NWB)
Adductor Longus (NWB)
Adductor Brevis (NWB)

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Muscles of Hip Extension

Adductor Magnus (NWB)
Semimembranosus (NWB)
Semitendinous (NWB)
Bicep Femoris- Long Head (NWB)
Gluteus Medius (NWB)
Gluteus Maximus (NWB)

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Muscles of Lumbar Flexion

Psoas Major

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Muscle of Anterior Pelvic Tilt

Iliacus

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Muscles of Hip Lateral Rotation (ER)

Sartorius (NWB)
Pectineus (NWB)
Bicep Femoris- Long head (helps in NWB)
Gluteus Medius- (NWB- posterior)
Gluteus Maximus (NWB)
Piriformis (NWB)
Superior Gemellus (NWB)
Obturator Internus (NWB)
Inferior Gemellus (NWB)
Obturator Externus (NWB)
Quadratus Femoris

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Muscles of Hip Medial Rotation (IR)

Gracilis (NWB)
Adductor Longus (NWB)
Adductor Brevis (NWB)
Semimembranosus 
Semitendinous
Gluteus Minimus (NWB)
Gluteus Medius (NWB- Anterior)
Tensor Fasciae Latae (NWB)
Popliteus

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Muscles of Hip Abduction

Sartorius (NWB-controls)
Pectineus (NWB-controls)
Gluteus Minimus (NWB)
Gluteus Medius (NWB)
Gluteus Maximus (NWB)
Tensor Fasciae Latae (NWB-from hip flex position)

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Muscles that decelerate hip IR

Psoas Major (WB)
Gastrocnemius (WB)

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Muscles of Knee Extension

Rectus Femoris
Vastus Lateralis
Vastus Medialis
Vastus Intermedius

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Muscles of Knee Flexion

Sartorius
Semimembranosus
Semitendinous
Bicep Femoris- Long head
Bicep Femoris- Short head
Popliteus
Gastrocnemius (NWB)
Plantaris (weak)

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Muscles of Eversion

Peroneus (fibularis) Tertius (NWB)
Peroneus (fibularis) Longus (NWB)
Peroneus (fibularis) Brevis (NWB)

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Muscles of Hip Adduction

Gracilis (NWB)
Adductor Longus (NWB)
Adductor Brevis (NWB) 
Adductor Magnus (NWB)

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Muscles of Ankle Dorsiflexion

Tibialis Anterior (NWB)
Extensor Digitorum Longus (NWB)
Extensor Hallucis Longus (NWB)
Peroneus (fibularis) Tertius (NWB)

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Muscles of Ankle Plantar Flexion

Gastrocnemius (NWB & during push-off)
Plantaris (NWB-weak)
Soleus (NWB)
Tibialis Posterior (NWB- m. malleolus= pulley)
Flexor Digitorum Longus (NWB)
Flexor Hallucis Longus (NWB- weak)
Peroneus (fibularis) Longus (NWB- weak)
Peroneus (fibularis) Brevis (NWB-weak)

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Muscles that flex the toes

Flexor Digitorum Longus (NWB- 2nd-5th)
Flexor Hallucis Longus (NWB-1st toe)
Abductor Hallicus (helps with 1st toe)
Flexor Digitorum Brevis (PIP and 2-5th MTP)
Abductor Digiti Minimi (5th toe)
Quadratus Plantae (assist 2nd-5th)
Lumbricals (4)- (2nd-5th MTP Joints)
Flexor Hallucis Brevis (1st)
Adductor Hallucis (helps with 1st toe)
Flexor Digiti Minimi (MTP of 5th)
Dorsal Interossei (assist with 2nd-4th MTP)
Plantar Interossei (assist with 3rd-5th MTP)

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Muscles that adduct toes

Adductor Hallucis (1st)
Plantar Interossei (3rd-5th)

Muscle that decelerates forward motion

Soleus (when foot on ground)

Muscles that stabilize the base

Peroneus (fibularis) Longus (WB-1st ray)

Peroneus (fibularis) Brevis (WB- 5th ray)

Muscles of Ankle Abduction

Peroneus (fibularis) Longus (NWB)

Peroneus (fibularis) Brevis (NWB)

Muscle that modifies pull FDL

Quadratus Plantae

Muscles of Pronation

Gastrocnemius (decelerates)
Tibialis Posterior (WB- decelerates subtalar joint)
Tibialis Anterior (WB- helps control at forefoot)

Muscles of Supination

Tibialis Posterior (WB-stabilizes MT joint)

Muscles that abduct the toes

Abductor Hallucis (1st)
Abductor Digiti Minimi (5th)
Dorsal Interossei (2nd-4th)

Muscle that supports Longitudinal Arch

Flexor Digitorum Longus (NWB)

Muscles That Extend the Toes

Extensor Digitorum Longus (NWB- 2nd-5th) Extensor Hallucis Longus (NWB-1st) Lumbricals (4)- (assists 2nd-5th IP) Extensor Digitorum Brevis (2-4 MTP and assist IP) Extensor Hallucis Brevis (MTP of 1st toe)