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Actions and Innervations of Lower Limb Muscles
Actions and Innervations of Lower Limb Muscles
25
Anatomy
Undergraduate 2
11/03/2012

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Term
Muscles that flex the thigh.
Definition
Iliacus, Psoas Major, Tensor Facia Latae, Adductor Magnus, Gracilis, Pectineus, Sartorius, Rectus Femoris, Semitendinosus, Semimembranosus
Term
Muscles that extend the leg
Definition
Rectus Femoris, Vastus Lateralis, Vastus Medialis, Vastus Intermedius
Term
Muscles innervated by the femoral nerve
Definition
Iliacus, Pectineus, Sartorius, Rectus Femoris, Vastus Lateralis, Vastus Medialis, Vastus Intermedius
Term
Muscles that extend the thigh
Definition
Biceps Femoris, Semitendinosus, Semimembranosus
Term
Muscles that flex the leg
Definition
Biceps Femoris, Sartorius, Semitendinosus, Semimembranosus, Popliteus, Gastrocnemius, Plantaris, Gracilis
Term
Muscles innervated by tibial branch of the sciatic nerve
Definition
Adductor Magnus (hamstring part), Biceps Femoris (long head), Semitendinosus, Semimembranosus
Term
Muscles that laterally rotate the thigh
Definition
Gluteus Maximus, Piriformis, Gemellus Superior, Obturator Internus, Gemellus Inferior, Obturator Externus, Quadratus Femoris
Term
Muscles that medially rotate the thigh
Definition
Iliopsoas, Gluteus Medius, Gluteus Minimus, Tensor Fasciae Latae, Adductor Longus, Adductor Magnus
Term
Muscles that adduct the thigh
Definition
Adductor Longus, Adductor Brevis, Adductor Magnus, Gracilis, Pectineus
Term
Muscles innervated by obturator nerve
Definition
Adductor Longus, Adductor Brevis, Adductor Magnus, Gracilis
Term
Muscles that abduct the thigh
Definition
Sartorius, Gluteus Medius, Gluteus Minimus, Tensor Fasciae Latae, Piriformus, Gemellus Superior, Gemellus Inferior, Obturator Internus
Term
Muscles that medially rotate the leg
Definition
Gracilis, Sartorius, Semitendinosus, Semimembranosus, Popliteus
Term
Muscles that laterally rotate the leg
Definition
Tensor Fasciae Latae, Biceps Femoris
Term
Muscles that cause plantar flexion
Definition
Gastrocnemius, Soleus, Plantaris, Flexor Hallucis Longus, Tibialis Posterior, Fibularis Longus, Fibularis Brevis
Term
Muscles that cause dorsi flexion
Definition
Tibialis Anterior, External Digitorum Longus, Fibularis Tertius, Extensor Hallucis Longus
Term
Muscles that evert the foot
Definition
Fibularis Longus, Fibularis Brevis
Term
Muscles that invert the foot
Definition
Tibialis Anterior
Term
Muscles innervated by tibial nerve
Definition
Gastrocnemius, Soleus, Plantaris, Flexor Digitorum Longus, Flexor Hallucis Longus, Tibialis Posterior
Term
Muscles innervated by deep peroneal nerve
Definition
Tibialis Anterior, Extensor Digitorum Longus, Fibularis Tertius, Extensor Hallucis Longus
Term
Muscles innervated by superficial peroneal nerve
Definition
Fibularis Longus, Fibularis Brevis
Term
Muscles that extend the neck
Definition
Trapezius, Splenius Capitis, Semipinalis Capitis
Term
Muscles that flex the neck
Definition
Sternocleidomastoid, Scalenes, Trapezius
Term
Muscles that extend the trunk
Definition
Erector Spinae, Quadratus Lumborum
Term
Muscles that flex the trunk
Definition
Rectus Abdominis, External Abdominal Oblique, Internal Abdominal Oblique, Erector Spinae, Quadratus Lumborum, Psoas Major, Gluteus Maximus
Term
Muscles innervated by intercostal nerve and its branches
Definition
External Intercostals, Internal Intercostals, Rectus Abdominis, External Abdominal Oblique, Internal Abdominal Oblique, Transverse Abdominis
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