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LE OIAN

Hip, knee, & ankle muscles

MuscleOrigin - OInsertion - IAction - ANerve - NHow many jts.Where Located
Iliopsoas Iliac fossa, & anterior & lateral surfaces of T12-L5 Lesser trochanter of femur Hip flexion Femoral Nerve (L2,L3)Psoas Major (L2,L3) One Joint, Hip Hip
Pectineus Superior ramus of pubis Pectineal line of the femur Hip flexion & adduction Femoral Nerve (L2,L3,L4) One Joint, Hip Hip
Rectus Femoris AIIS Tibial tuberosity Hip flexion & knee extension Femoral Nerve (L2,L3,L4) Two Joints, Hip & Knee Anterior, Quadricep
Sartorius Anterior superior iliac spine (ASIS) Proximal medial aspect of the tibia Hip flexion, hip abduction, lateral rotation & knee flexion (tailors muscle) Femoral Nerve (L2,L3) Two Joints, Hip & Knee Hip
Tensor Fascia Latae Anterior superior iliac spine (ASIS) Lateral condyle of tibia Combined hip flexion & abduction Superior Gluteal Nerve (L4,L5) Two Joints, Hip & Knee Hip
Biceps Femoris (long head) Ishial tuberosity Fibular head Extend hip & flex knee Sciatic Nerve (S1,S2,S3) Two Joints, Hip & Knee Posterior, Hip, Hamstring
Semimembranosus Ishial tuberosity Posterior surface of the medial condyle of tibia Extend hip & flex knee Sciatic Nerve (L5,S1,S2) Two Joints, Hip & Knee Posterior, Hip, Hamstring
Semitendinosus Ishial tuberosity Anteromedial surface of proximal tibia Extend hip & flex knee Sciatic Nerve (L5,S1,S2) Two Joints, Hip & Knee Posterior, Hip, Hamstring
Gluteus Maximus Posterior sacrum & ilium Posterior femur distal to greater trochanter & to iliotibial band Hip extention, hyperextension & lateral rotation Inferior Gluteal Nerve One Joint, Hip Hip
Piriformis Posterior sacrum, ischium, & pubis Greater trochanter area Hip lateral rotation Anterior rami (S1,S2) One Joint, Hip Hip
Quadratus Femoris Posterior sacrum, ischium, & pubis Greater trochanter area Hip lateral rotation Nerve to the Quadratus Femoris (L5,S1) One Joint, Hip Hip
Obturator Internus Posterior sacrum, ischium, & pubis Greater trochanter area Hip lateral rotation Nerve to the Oberator Internus (L5,S1) One Joint, Hip Hip
Obturator Externus Posterior sacrum, ischium, & pubis Greater trochanter area Hip lateral rotation Obturator Nerve (L3,L4) One Joint, Hip Hip
Gemellus Superios Posterior sacrum, ischium, & pubis Greater trochanter area Hip lateral rotation Nerve to the Obturator Internus (L5,S1) One Joint, Hip Hip
Gemellus Inferior Posterior sacrum, ischium, & pubis Greater trochanter area Hip lateral rotation Nerve to the Quadratus Femoris (L5,S1) One Joint, Hip Hip
Adductor longus Pubis Middle third of the linea aspera Hip Adduction Obturator Nerve (L3,L4) One Joint, Hip Hip
Adductor Brevis Pubis Pectineal line & Proximal linea aspera Hip Adduction Obturator Nerve (L3,L4) One Joint, Hip Hip
Adductor Mangus Ischium & Pubis Entire linea aspera & adductor tubercle Hip Adduction Obturator & Sciatic Nerves (L3,L4) One Joint, Hip Hip
Gracilis Pubis Anterior medial surface of the proximal end of the tibia Hip Adduction Obturator Nerve (L2,L3) Two Joints, Hip & Knee Hip
Gluteus Medius Outer surface of the ilium Lateral surface of the greater trochanter Hip abduction Superior Gluteal Nerve (L4,L5,S1) One Joint, Hip Hip
Gluteus Minimus Lateral Ilium Anterior surface of the greater trochanter Hip abduction & medial rotation Superior Gluteal Nerve (L4,L5,S1) One Joint, Hip Hip
Biceps Femoris (short head) Lateral lip of linea aspera of the femur Fibular head Flex knee Common Peroneal Nerve (L5,S1,S2) Two Joints, Hip & Knee Posterior, Hip, Hamstring
Vastus Lateralis Linea aspera Tibial tuberosity via patellar tendon Knee extension Femoral Nerve (L2,L3,L4) Two Joints, Hip & Knee Anterior, Knee, Quadricep
Vastus Medialis Linea aspera Tibial tuberosity via patellar tendon Knee extension Femoral Nerve (L2,L3,L4) Two Joints, Hip & Knee Anterior, Knee, Quadricep
Vastus Intermedialis Anterior femur Tibial tuberosity via patellar tendon Knee extension Femoral Nerve (L2,L3,L4) Two Joints, Hip & Knee Anterior, Knee, Quadricep
Popliteus Lateral condyle of femur Posterior medial condyle of tibia Initiates knee flexion Tibial Nerve (L4,L5,S1) One Joint, Knee Posterior Knee
Gastrocnemius (Medial head) Medial condyle of the femur Posterior calcaneus Knee flexion, ankle plantar flexion Tibial Nerve, (S1,S2) Two Joint, Knee & Ankle Superficial Posterior Knee & Ankle
Gastrocnemius (Lateral head) Lateral condyle of the femur Posterior calcaneus Knee flexion, ankle plantar flexion Tibial Nerve, (S1,S2) Two Joint, Knee & Ankle Superficial Posterior Knee & Ankle
Soleus Posterior tibia & fibula Posterior calcaneus Ankle plantar flexion Tibial Nerve (S1,S2) One Joint, Ankle Superficial Posterior Ankle
Plantaris Posterior lateral condyle of femur Posterior calcaneus Very weak assist in knee flexion & ankle plantar flexion Tibial (L4,L5,S1) Two Joint, Knee & Ankle Superficial Posterior Knee & Ankle
Tibialis Posterior Interosseous membrane, adjacent tibia & fibula Navicular & most tarsals & metatarsals Anle inversion; assists in plantar flexion Tibial Nerve (L5,S1) One Joint, Ankle Deep Posterior Ankle
Flexor Hallucis Longus Posterior fibula & interosseous membrane Distal phalanx of the great toe Flexes great toe; assists in iversion & plantar flexion of the ankle Tibial Nerve (L5,S1,S2) Two Joint, Ankle &Great Toe Deep Posterior Ankle
Flexor Digitorum Longus Posterior tibia Distal phalanx of four lesser toes Flexes the four lesser toes; assists in ankle inversion & plantar flexion Tibial Nerve (L5,S1) Two Joint, Ankle & Toes Deep Posterior Ankle
Tibialis Anterior Lateral tibia & interosseus membrane 1st Cuneiform & metatarsal Ankle inversion & dorsiflexion Deep Peroneal Nerve (L4,L5,S1) One Joint, Ankle Anterior, Ankle
Extensor Hallucis Longus Fibula & interosseous membrane Distal phalanx of great toe Extends 1st toe; assists in ankle inversion & dorsiflexion Deep Peroneal Nerve (L4,L5,S1) Two Joint, Ankle & 1st Toe Anterior, Ankle
Extensor Digitorum Longus Fibula, interosseous membrane, tibia Distal phalanx of four lesser toes Extends 4 lesser toes, assists in ankle dorsiflexion Deep Peroneal Nerve (L4,L5,S1) Two Joint, Ankle & 4 lesser toes Anterior, Ankle & 4 lesser toes
Peroneus Longus Lateral proximal fibula & interosseous membrane Plantar surface of the 1st Cuneiform & metatarsal Ankle eversion; assists in ankle plantar flexion Superficial Peroneal Nerve (L4,L5,S1) Many Joints, Ankle & Foot Lateral, Ankle & posterior toes
Peroneus brevis Lateral distal fibula Base of 5th metatarsal Ankle eversion; assists in plantar flexion Superficial Peroneal Nerve (L4,L5,S1) Many Joints, Ankle & Foot Lateral, Ankle & 5th metatarsal
Peroneus Tertius Distal Medial fibula Base of 5th metatarsal Assists in ankle eversion & dorsiflexion Deep Peroneal Nerve (L4,L5,S1) Two Joints, Ankle & 5th metatarsal Lateral Ankle & 5th metatarsal
Created by: srussel