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Muscles Of the Lower Limb
Origins, Insertions, Actions, Innervations
24
Anatomy
Undergraduate 2
07/01/2012

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Term
Gluteus maximus
Definition
ilium --> iliotibial tract
extend hip, laterally rotate hip
inferior gluteal nerve
Term
Gluteus minimus
Definition
gluteal lines of ilium--> greater trochanter of femur
abduct hip
superior gluteal nerve
Term
Gluteus medius
Definition
gluteal lines of ilium --> greater trochanter of femur
abduct hip
superior gluteal nerve
Term
Tensor fasciae latae
Definition
iliac crest --> ilitibial tract
abduct thigh, flex thigh, medially rotate thigh
Term
Piriformis
Definition
Anterior sacrum --> greater trochanter of femur
lateral rotation of hip
Term
Gemellus superior
Definition
ischial spine --> greater trochanter of femur
lateral rotation of hip
Term
Obturator internus
Definition
obturator foramen --> greater trochanter of femur
lateral rotation of hip
Term
Gemellus inferior
Definition
ischial tuberosity--> greater trochanter of femur
lateral rotation of hip
Term
Quadratus femoris
Definition
ischial tuberosity --> greater trochanter of femur
lateral rotation of femur
Term
Psoas major
Definition
Vertebrae --> lesser trochanter of femur
flex thigh/trunk
(innervation not required)
Term
Psoas minor
Definition
Vertebrae --> iliopubic eminence
minor trunk flexion
(innervation not required)
Term
Iliacus
Definition
iliac fossa --> lesser trochanter of femur
flex thigh
Femoral nerve
Term
Iliopsoas
Definition
when psoas major and iliacus pass under inguinal ligament --> lesser trochanter of femur
flex thigh
(innervation not required)
Term
Sartorius
Definition
Anterior superior iliac spine --> proximal medial tibia
flex thigh, laterally rotate thigh, flex knee
Femoral nerve
Term
Rectus femoris
Definition
Anterior inferior iliac spine--> tibial tuberosity
extend knee, flex thigh
femoral nerve
Term
Vastus lateralis
Definition
linea aspera --> tibial tuberosity
extend knee
femoral nerve
Term
Vastus medialis
Definition
linea aspera --> tibial tuberosity
extend knee
femoral nerve
Term
Vastus intermedius
Definition
anterior upper femur --> tibial tuberosity
extend knee
femoral nerve
Term
Gracilis
Definition
inferior ramus of pubis --> proximal medial tibia
adduct thigh, flex knee
Obturator nerve
Term
Pectineus
Definition
pubis (pectineal line of) --> (pectineal line of) proximal posterior femur
adducts thigh, flex thigh
femoral nerve
Term
Adductor longus
Definition
Pubis --> linea aspera of femur
adduct thigh, flex thigh
obturator nerve
Term
Adductor brevis
Definition
Inferior ramus of pubis --> linea aspera of femur
adduct thigh, flex thigh
obturator nerve
Term
Adductor magnus
Definition
inferior ramus of pubis and ischial tuberosity --> linea aspera of femur and adductor tubercle of femur
adduct thigh, flex thigh
obturator nerve
Term
Biceps femoris long head
Definition
ischial tuberosity --> head of fibula
flex knee, extend thigh
Tibial nerve
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