Musculoskeletal Anatomy of Lower Extremity Powerpoint Musculature Flashcards
5/23/19
Pectineus
Function: Flexion of femur at hip, adduction of femur at hip
Insertion: Pubis to femur
Nerve: Femoral
Vasculature: Obturator artery (branch off internal illiac
Psoas major
Function: Flexion of femur at hip, external rotation of femur at hip
Insertion: T12-L5 to lesser trochanter
Nerve: Femoral
Vasculature: don’t worry bout it
Iliacus
Function: Flexion of femur at hip, external rotation of femur at hip
Insertion: Iliac crest to lesser trochanter
Nerve: femoral
Vasculature; Medial femoral circumflex artery
Sartorius
Function: Flexion of femur at hip, flexion of tibia at knee, external rotation of femur at hip
Insertion: Anterior superior Iliac spine to medial tibia
Nerve: Femoral
Vasculature: femoral
Rectus femoris
Function: Flexion of the femur at the hip, extension of the tibia at the knee
Insertion: Anterior inferior iliac spine to tibial tuberocity
Nerve: Femoral
Vasculature: femoral artery
Vastus lateralis
Function: Extension of tibia at the knee
Insertion: Linea aspera of femur to the tibial tuberocity
Nerve: Femoral
Vasculature: Descending limb of the lateral circumflex femoral artery
Vastus intermedius
Function: Extension of tibia at the knee
Insertion: Linea aspera of femur to the tibial tuberocity
Nerve: Femoral
Vasculature: Femoral artery
Vastus medialis
Function: Extension of tibia at the knee
Insertion: Linea aspera of femur to the tibial tuberocity
Nerve: Femoral
Vasculature: femoral artery
Adductor longus
Function: Adduct femur at hip
Insertion: Pubis to linea aspera of femur
Nerve: Obturator
Vasculature: Profunda femoral artery
Adductor brevis
Function: Adduct femur at hip
Insertion: Pubis to linea aspera of femur
Nerve: Obturator
Vasculature: Profunda femoral artery
Adductor magnus
Function: Adduct femur at hip
Insertion: Pubis to linea aspera AND adductor tubercle of femur
Nerve: Obturator and sciatic
Vacsulature: Profunda femoral artery
Gracillis
Function: Adduct femur at hip, flex tibia at knee
Insertion: Pubis to medial tibia
Nerve: Obturator
Vasculature: Medial circumflex branch of femoral artery
Tensor fascia lata
Function: Flexion of femur at hip, abduction of femur at hip, internal rotation of femur at hip
Insertion: Iliac crest to lateral tibia
Nerve: Gluteal nerve
Vasculature: Superior gluteal artery
Gluteus maximus
Function: Extension of femur at hip, external rotation of femur at hip
Insertion: Iliosacrum to IT tract
Nerve: inferior gluteal nerve
Vasculature: Gluteal arteries
Gluteus medius
Function: Abduction of femur at hip
Insertion: Ilium to greater trochanter
Nerve: Superior gluteal nerve
Vasculature: superior gluteal artery
Gluteus minimus
Function: Abduction of femur at hip
Insertion: Ilium to greater trochanter
Nerve: Superior gluteal nerve
Vasculature: superior gluteal artery
Piriformis
Function: Abduction of femur at hip
Insertion: Sacrum to greater trochanter
Nerve: Superior gluteal nerve
Vasculature: superior gluteal artery
Obturator internus/externus
Function: Lateral rotation of femur at hip
Insertion: Obturator foramen to greater trochanter
Nerve: Obturator
Vasculature: Obturator artery
Superior/Inferior Gemelli
Function: Lateral rotation of femur at hip
Insertion: Ischial spine to greater trochanter
Nerve: Obturator
Vasculature: Inferior gluteal artery
Quadratis femoris
Function: Lateral rotation of femur at hip
Insertion: Ischial spine to greater trochanter
Nerve: Obturator
Vasculature: Inferior gluteal artery
Semimembranosus
Function: Flexion of the tibia at the knee, extension of femur at the hip
Insertion: Ischial tuberosity to medial tibia
Nerve: Tibial nerve (sciatic)
Vasculature: Profunda femoral artery
Semitendinosus
Function: Flexion of the tibia at the knee, extension of femur at the hip
Insertion: Ischial tuberosity to medial tibia
Nerve: Tibial nerve (sciatic)
Vasculature: Perforating arteries
Biceps femoris long head
Function: Flexion of tibia at knee, extension of femur at hip
Insertion: Ischial tuberosity and femur to fibula
Nerve: Tibial nerve(sciatic)
Vasculature: Perforating arteries
Tibialis anterior
Function: Dorsiflextion of the foot at the ankle, Inversion of foot at the ankle
Insertion: Tibia to the medial cuniform
Nerve: Deep fibular nerve
Vasculature: Anterior tibial artery
Extensor digitorum longus
Function: Dorsiflection of foot at ankle, Extension of toes at MTP joint
Insertion: Tibia to distal phalanx digits 2-5
Nerve: Deep fibular nerve
Vasculature: Anterior tibial artery
Extensor hallucus longus
Function: Dorsiflexion of the ankle, extension of digit 1 at MTP joint
Insertion: Tibia to distal phalanx digit 1
Nerve: Deep fibular nerve
Vasculature: Anterior tibial artery
Fibularis tertius
Function: Dorsiflexion of foot at ankle, eversion of the foot at the ankle
Insertion: Fibula to inferior side of 5th metatarsal underside
Nerve: deep fibular nerve
Vasculature: anterior tibial artery
Fibularis longus
Function: plantarflexion of foot at ankle, eversion of foot at ankle
Insertion: Fibula to inferior side of first metatarsal
Nerve: Superficial fibular nerve
Vasculature: Anterior tibial artery
Fibularis brevis
Function: Plantarflexion of foot at ankle, eversion of foot at ankle
Insertion: Fibula to superior side of 5th metatarsal
Nerve: Superficial fibular nerve
Vasculature: Anterior tibial artery
Gastrocnemius
Function: plantarflexion of foot at ankle, flexion of tibia at knee
Insertion: Condyle of the femur to achilles tendon
Nerve: Tibial nerve
Vasculature: sural arteries
Soleus
Function: Plantarflexion of foot at ankle
Insertion: Tibia to achilles tendon
Nerve: Tibial nerve
Vasculature: Sural arteries
Plantaris
Function; Plantarflexion of foot at ankle
Insertion: Femur to achilles tendon
Nerve: Tibial
Vasculature: Popliteal artery
Flexor Hallucis longus
Function: Dorsiflexion of foot at ankle, flexion of 1st toe at MTP
Insertion: tibia to distal phalanx of toe one
Nerve: Tibial
Vasculature: Posterior tibial artery
Flexor digitorum longus
Function: Dorsiflexion of foot at ankle, flexion of 2-5 toes at MTP
Insertion: tibi to distal phalanges of toes 2-5
Nerve: tibial
Vasculature: posterior tibial artery
Tibialis posterior
Function: Plantarflexion of foot at ankle, Inversion of foot at ankle
Insertion: Tibia to navicular
Nerve: Tibial
Vasculature: Posterior tibial artery
Biceps femoris short head
Function: Flexion of tibia at knee
Insertion: Femur to fibula
Nerve: Common fibular nerve
Vasculature: Perforating arteries