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Low. Extremity Musc.
Hip, Knee, Ankle & Foot Muscles
Question | Answer |
---|---|
Iliopsoas | Prime Mover: Hip Flexion Action(s): Hip Flexion |
Sartorius | Prime Mover: Hip External Rotation Action(s): Hip Flexion/Abduction/External Rotation; Knee Flexion |
Adductor Magnus | Prime Mover: Hip Adduction Action(s): Hip Adduction/External Rotation |
Adductor Longus | Prime Mover: None Action(s): Hip Adduction/Flexion/External Rotation |
Gluteus Maximus | Prime Mover: Hip Extension Action(s): Hip Extension (esp. with knee flexed)/External Rotation |
Gluteus Medius | Prime Mover: Hip Abduction Action(s): Hip Abduction/Internal Rotation |
Gluteus Minimus | Prime Mover: Hip Internal Rotation Action(s): Hip Abduction/Internal Rotation |
Quadriceps | Prime Mover: Knee Extension Muscles that make up Quad: Rectus Femoris, Vastus Lateralis, Intermedius and Medialis |
Rectus Femoris | Prime Mover: Knee Extension Action(s): Hip Flexion (w/ Straight Leg Raising), Knee Extension |
Vastus Lateralis, Intermedius and Medialis | Prime Mover: Knee Extension Action(s): Knee Extension (Medialis- last 10-15 degrees) |
Hamstrings | Prime Mover: Knee Flexion Muscles that make up Ham: Biceps Femoris, Semitendinosis, Semimembranosis |
Biceps Femoris | Prime Mover: Knee Flexion Action(s): Knee Flexion |
Semitendinosis, Semimembranosis | Prime Mover: Knee Flexion Action(s): Knee Flexion, Hip Extension (w/ knee extended) |
Anterior Tibialis | Prime Mover: Ankle Dorsiflexion Action(s): Ankle Dorsiflexion/Inversion (antagonist of Peroneus Longus, Brevis & Tertius, co-synergist of Peroneus Tertius) |
Peroneus Longus | Prime Mover: Ankle Eversion Action(s): Ankle Plantar Flexion/Eversion (antagonist of Anterior Tibialis, co-synergist of Peroneus Tertius) |
Peroneus Brevis | Prime Mover: None Action(s): Ankle Plantar Flexion/Eversion (antagonist of Anterior Tibialis, co-synergist of Peroneus Tertius) |
Peroneus Tertius | Prime Mover: None Action(s): Ankle Dorsiflexion/Eversion (antagonist of Anterior Tibialis, co-synergist of Anterior Tibialis, Peroneus Longus & Brevis) |
Posterior Tibialis | Prime Mover: Ankle Inversion Action(s): Ankle Plantar Flexion/Inversion |
Gastrocnemius | "Calf Muscle" Prime Mover: Ankle Plantar Flexion Action(s): Knee Flexion, Ankle Plantar Flexion |
Soleus | Prime Mover: None Action(s): Ankle Plantar Flexion |
Flexor Digitorum Longus | Action(s): Flexion of 4 lesser toes, Ankle Plantar Flexion/Inversion |
Flexor Hallicis Longus | Action(s): Flexion of great toe, Ankle Plantar Flexion/Inversion |
Extensor Digitorum Longus | Action(s): Extension of 4 lesser toes, Ankle Dorsiflexion |
Extensor Digitorum Brevis | Action(s): Extension of 4 lesser toes |
Extensor Hallicis Longus | Action(s): Extension of great toe, Ankle Dorsiflexion |
"Tom, Dick & Harry" | Posterior Tibialis, Flexor Digitorum Longus, Flexor Hallicis Longus: All Plantar Flexors & Invertors |
Hip Flexion | Prime Mover: Iliopsoas Other(s): Adductor Longus, Rectus Femoris, Sartorius |
Hip Extension | Prime Mover: Gluteus Maximus Other(s): Semitendinosis, Semimembranosis |
Hip Abduction | Prime Mover: Gluteus Medius Other(s): Gluteus Minimus, Sartorius |
Hip Adduction | Prime Mover: Adductor Magnus Other(s): Adductor Longus |
Hip Internal Rotation | Prime Mover: Gluteus Minimus Other(s): Gluteus Medius |
Hip External Rotation | Prime Mover: Sartorius Other(s): Adductor Magnus, Adductor Longus, Gluteus Maximus |
Knee Flexion | Prime Mover: Hamstrings (Biceps Femoris, Semitendinosis, Semimembranosis) Other(s): Sartorius, Gastrocnemius |
Knee Extension | Prime Mover: Quadriceps (Rectus Femoris, Vastus Lateralis, Intermedius, Medialis) Other(s): None |
Dorsiflexion | Prime Mover: Anterior Tibialis Other(s): Peroneus Tertius, Extensor Digitorum Longus, Extensor Hallicis Longus |
Plantar Flexion | Prime Mover: Gastrocnemius Other(s): Peroneus Long, Peroneus Brevis, Posterior Tibialis, Soleus, Flexor Digitorum Longus, Flexor Hallicis Longus |
Inversion | Prime Mover: Posterior Tibialis Other(s): Anterior Tibialis, Flexor Digitorum Longus, Flexor Hallicis Longus |
Eversion | Prime Mover: Peroneus Longus Other(s): Peroneus Brevis, Peroneus Tertius |