Origins + Insertions + Function = Lower Limb Flashcards
Function of the iliotibial tract?
Extensor, abductor and external rotator of hip
What is the origin, insertion, function and innervation of the Tensor fascia lata?
Origin: iliac crest
Insertion: anterior aspect of iliotibial tract
Function: flexor, abductor and internal rotator of hip
Superior gluteal nerve
What is the origin, insertion, function and innervation of the Gluteus maximus?
Origin: gluteal surface of the ilium, sacrum and coccyx
Insertion: iliotibial tract and gluteal tuberosity of femur
Function: main extensor of thigh and assists with lateral rotation
Inferior gluteal nerve
What is the origin, insertion, function and innervation of the Gluteus medius?
Origin: gluteal surface of ilium
Insertion: lateral surface of greater trochanter
Function: abducts and internally rotates the lower limb
Superior gluteal nerve
What is the origin, insertion, function and innervation of the Gluteus minimus?
Origin: ilium
Insertion: anterior side of greater trochanter
Function: abducts and internally rotates lower limb
Superior gluteal nerve
What is the origin, insertion, function and innervation of the Piriformis?
Origin: anterior surface of sacrum
Insertion: greater trochanter of femur
Function: external rotation and abduction
Nerve to piriformis
What is the origin, insertion, function and innervation of the obturator internus?
Origin: pubis and ischium at obturator foramen
Insertion: greater trochanter of femur
Function: external rotation and abduction
What is the origin, insertion, function and innervation of the Gemelli?
Origin: ischial spine and ischial tuberosity
Insertion: greater trochanter of femur
Function: external rotation and abduction
What is the origin, insertion, function and innervation of the Quadratus femoris?
Origin: lateral side of ischial tuberosity
Insertion: quadrate tuberosity on intertrochanteric crest
Function: external rotation
What is the origin, insertion, function and innervation of the iliopsoas?
Origin: psoas major= lumbar vertebrae
iliacus= iliac fossa
Insertion: lesser trochanter of femur
Function: flexes the thigh at hip joint
Psoas major- Anterior rami of L1-L3
Iliacus- femoral nerve
What is the origin, function and innervation of the Vastus lateral is ?
Origin: greater trochanter and lateral lip of linea Aspera
Insertion:base of patella
Function: extends knee joint
Femoral nerve
What is the insertion, function and innervation of the vastus Intermedius?
Insertion: anterior and lateral surface of femoral shaft
Function: extends knee joint
Femoral nerve
What is the origin, insertion, function and innervation of the Vastus medialis?
Origin: intertrochanteric line and medial lip of linea aspera
Insertion: base and medial aspect of patella
Function: extends knee joint
Femoral nerve
What is the origin, insertion, function and innervation of the Rectus femoris?
Origin: anterior inferior iliac spine
Insertion: patella
Function: flexes thigh at hip joint and extends the knee joint
Femoral nerve
What is the origin, insertion, function and innervation of the Sartorius?
Origin: anterior superior iliac spine
Insertion: superior medial surface of tibia
Function: flexor, abductor and external rotator at hip joint, flexes knee joint
What is the origin, insertion, function and innervation of the Pectineus?
Origin: pectineal line on anterior surface of pelvis
Insertion: pectineal line on posterior side of femur
Function: abduction and Flexion at hip joint
Femoral nerve
What is the origin, insertion, function and innervation of the Adductor Magnus?
Origin: adductor part= inferior rami of pubis
hamstring part= ischial tuberosity
Insertion: adductor part= linea aspera of femur
hamstring part= adductor tubercle and medial supra condylar line of femur
Function: adduct thigh
What is the origin, insertion, function and innervation of the Adductor longus?
Origin: pubis
Insertion: linea aspera of femur
Function: abducts thigh
What is the origin, insertion, function and innervation of the Adductor brevis?
Origin: body of pubis and inferior pubic rami
Insertion: linea aspera on posterior surface of femur
Function: adducts thigh
What is the origin, insertion, function and innervation of the Obturator externus?
Origin: membrane of obturator foramen
Insertion: posterior aspect of greater trochanter
Function: adduction and external rotation of thigh
What is the origin, insertion, function and innervation of the Gracilis?
Origin: inferior rami of pubis
Insertion: medial surface of tibia
Function: adduction of thigh and Flexion of leg at knee
What is the origin, insertion, function and innervation of the Biceps femoris?
Origin: long head= ischial tuberosity of pelvis
short head= linea aspera on posterior surface of femur
Insertion: head of fibula
Function: Flexion at knee, extends thigh and external rotation of hip
What is the origin, insertion, function and innervation of the Semitendinosus?
Origin: ischial tuberosity
Insertion: medial surface of tibia
Function: Flexion of leg, extension of thigh, internal rotation
What is the origin, insertion, function and innervation of the Semimembranosus?
Origin: ischial tuberosity
Insertion: medial tibial condyle
Function: Flexion of leg and extension of thigh and internal rotates the thigh
What is the origin, insertion, function and innervation of the Tibialis anterior?
Origin: lateral surface of tibia
Insertion: medial cuneiform and base of metatarsal I
Function: Dorsi Flexion and inversion of foot
Deep perineal nerve
What is the origin, insertion, function and innervation of the Extensor digitorum Longus?
Origin: lateral condyle of tibia
Insertion: into a toe
Function: extension of lateral four toes and dorsiflexion
Deep peroneal nerve
What is the origin, insertion, function and innervation of the Extensor Hallucis longus?
Origin: medial surface of fibular shaft
Insertion: base of distal phalanx of great toe
Function: extension of great toe and dorsiflexion
Deep peroneal nerve
What is the origin, insertion, function and innervation of the Gastrocnemius?
Origin: lateral head= lateral femoral condyle
medial head= medial femoral condyle
Insertion: calcaneus
Function: plantarflexes ankle
Tibial nerve
What is the origin, insertion, function and innervation of the Plantaris?
Origin: lateral supracondylar line of femur
Insertion: calcaneal tendon
Function: plantar Flexion
Tibial nerve
What is the origin, insertion, function and innervation of the Soleus?
Origin: soleal line of tibia
Insertion: calcaneal tendon
Function: plantarflexion
Tibial
What is the origin, insertion, function and innervation of the Popliteus?
Origin: lateral condyle of femur
Insertion: above origin of soleus muscle
Function: externally rotates femur on tibia (unlocking)
What is the origin, insertion, function and innervation of the Extensor Tibialis posterior?
Origin: interosseous membrane between tibia and fibula
Insertion: plantar surfaces of medial tarsal bones
Function: inverts and plantarflexes foot
What is the origin, insertion, function and innervation of the Flexor digitorum longus?
Origin: medial surface of tibia
Insertion: plantar surfaces of lateral four digits
Function: flexes lateral four toes
What is the origin, insertion, function and innervation of the Flexor hallucis longus?
Origin: posterior surface of fibula
Insertion: plantar surface of phalanx of great toe
Function: flexes the great toe
What is the origin, insertion, function and innervation of the Fibularis longus?
Origin: superior and lateral surface of the fibula
Insertion: bones on medial side - medial cuneiform and base of metatarsal I
Function: eversion and plantarflexion
Superficial peroneal nerve
What is the origin, insertion, function and innervation of the Fibularis brevis?
Origin: inferolateral surface of fibular shaft
Insertion: tubercle on metatarsal V
Function: eversion