Muscles of the Lower Limb PDF

# Muscles of the Lower Limb | Name | Compartment | Origin | Insertion | Nerve | Movement | |---|---|---|---|---|---| | Iliacus | Hip | Iliac fossa | Lesser Trochanter femur | Femoral (L1-L3) | Hip flexion | | Psoas | Hip | Transverse process of lumbar vert | Lesser trochanter of femur | Femoral (L...

# Muscles of the Lower Limb | Name | Compartment | Origin | Insertion | Nerve | Movement | |---|---|---|---|---|---| | Iliacus | Hip | Iliac fossa | Lesser Trochanter femur | Femoral (L1-L3) | Hip flexion | | Psoas | Hip | Transverse process of lumbar vert | Lesser trochanter of femur | Femoral (L1-L3) | Hip flexion| | Sartorius | Hip/anterior thigh | ASIS | Pes anserinous (super/medial tibia) | Femoral Nerve (L2-L3) | Hip Flexion/knee extension/abduct/lateral(external) rotation knee | | Tensor Fascia Latae | Anterior/lateral thigh | Anterior Iliac Crest | Iliotibial Tract | Superior Gluteal Nerve (L4,L5,S1) | Abductor | | Rectus Femoris | Hip/anterior thigh | AIIS | Tibial Tuberosity | Femoral Nerve (L2-L4) | Hip flexion/knee extension | | Vastus Lateralis | Anterior Thigh | Greater trochanter & intertrochanteric line & lateral linea aspera | Tibial Tuberosity | Femoral nerve (L2-L4) | Knee extension | | Vastus Medialis | Anter Thigh | Medial surface of femur shaft | Tibial tuberosity | Femoral Nerve | Knee extension | | Vastus Intermedius | Anterior thigh (deep) | Anterior/lateral surface of femur shaft | Tibial tuberosity | Femoral nerve | Knee extension | | Gluteus maximus | Gluteal | Posterior illum | Gluteal tuberosity | Inferior gluteal nerve | Main hip Extensor | | Gluteus Medius | Gluteal | Lateral ilium | Greater Trochanter | Superior Gluteal Nerve (L4,L5,S1) | Hip Abductor | | Gluteus Minimus | Gluteal | Lateral ilium | Greater Trochanter | Superior Gluteal Nerve (L4,L5,S1) | Hip Abductor | | Pectineus | Medial Thigh | Superior Pubic Ramus | Femoral (L2-L3) | Hip adduction | | Adductor Longus | Medial Thigh | Body of pubis/ Pectineal Line | Middle of linea aspera | Obturator | Hip Adduction | | Adductor Brevis | Medial Thigh | Body of Pubis/ Inferior pubic Ramus | Proximal Linea aspera | Obturator | Hip Adduction | | Adductor Magnus | Medial Thigh | Body pubis/inferior Pubic Ramus | Adductor Tubercle | Obturator | Hip adduction | | Gracilis | Medial Thigh | Inferior Pubic Ramus | Superior Medial Tibla | Obturator nerve from common fibular nerve | Hip adduction | | Biceps Femoris (long head) | Posterior Thigh | Ischial Tuberosity | Head of fibula | Tibial nerve from sciatic | Hip Extension/Knee Flexion | | Biceps Femoris (Short Head) | Posterior Thigh | Linea Aspera & lateral Supracondylar Line femur | Head of Fibula | Common fibular from sciatic | Hip Extension/Knee Flexion | | Semitendinosus | Posterior Thigh | Ischial Tuberosity | Medial Surface of Superior Tibia | Tibial nerve | Hip Extension/Knee Flexion | | Semimembranosus | Posterior Thigh | Ischial Tuberosity | Posterior medial Condyle of Knee | Tibial nerve | Hip Extension/Knee Flexion | | Extensor Digitorium Longus | Anterior Leg | Lateral condyle tibia | Distal Phalanges of Digitis 2-5 | Deep Fibular Nerve (L4,L5) | Toe extension | | Extensor Hallucis Longus | Anterior Leg | Medial surface of fibular shaft | Base of Distal Phalanx (1 digit) | Deep Fibula Nerve | Toe extension | | Tibialis Anterior | Anterior Leg | Lateral condyle of tibia | Medial cueniform & base 1* metartarsal | Deep Fibula Nerve | Dorsifelxion & inversion of foot | | Fibularis Longus | Lateral Leg | Lateral fibula | Base 1st Metatarsal | Superficial Fibular Nerve (L5,S1,S2) | Eversion | | Fibularis Brevis | Lateral Leg | Inferior 2/3 of lateral surface of fibula | Lateral Base of 5th Metatarsal | Superficial Fibular Nerve (L5,S1,S2) | Eversion | | Gastrocnemius (lateral) | Posterior Leg | Lateral Condyle femur | Calcaneal tendon to posterior Calcaneous | Tibial nerve (S1-S2) | Plantarflexion | | Gastrocnemius (medial) | Posterior Leg | Medial Condyle femur | Calcaneal tendon to posterior Calcaneous | Tibial nerve (S1-S2) | Plantarflexion | | Soleus | Posterior Leg | Posterior head fibula & medial 1/3 tibia | Calcaneal tendon to posterior Calcaneous | Tibial nerve | Plantarflexion | | Plantaris | Posterior Leg | Lateral Supracondylar Line of Femur | Calcaneal tendon to posterior Calcaneous | Tibial Nerve | Plantaris | | Tibialis Posterior | Posteror leg (Deep) | Interosseous membrane, posterior surface tibia (Travel around medial malleolus) | Base navicular & plantar surface metatarsals 2-4 | Tibial nerve | Plantar flexion & inversion | | Flexor Digitorum Longus | Posterior Leg (Deep) | Interosseous membrane, posterior surface tibia (Travel around medial malleolus) | Plantar surface of distal phalanges (2-4) | Tibial Nerve | Toe flexors (4 digits) | | Flexor Hallicus Longus | Posteror Leg (Deep) | Medial Part of posterior surface tibia (Travel around medial malleolus) | Plantar surface of distal Phalanx (1) | Tibial Nerve | Toe Flexors (hallux) | | Popliteus | Deep Posterior Leg | Lateral condyle of femur & lateral meniscus | Posterior Surface Tibia | Tibial Nerve | Flexes knee (weakly) & lateral rotates femur "unlocks knee" | ## Foot | Layer | Muscles | Nerve | |---|---|---| | 1st layer foot | Abductor all toes, short toe flexors | Tibial Nerve | | 2nd layer foot | Long extrinsic toe flexors | Tibial Nerve | | 3rd layer foot | Adduct big toe, Flex big & little toe | Tibial Nerve | | 4th layer foot | Aductors & abductors of small toes | Tibial Nerve |