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What are the 4 Quadricep Muscles?
rectus femoris, vastus intermedius, vastus medialis, vastus lateralis

Rectus Femoris
flexes thigh, extends leg

Rectus Femoris Origin
anterior inferior iliac spine
Rectus Femoris Insertion
patella via quadriceps (RF)
Vastus Lateralis
extends leg

Vastus Lateralis Origin
greater trochanter and linea aspera
Vastus Lateralis Insertion
patella via quadriceps (V.L)
Vastus Medialis
extends leg

Vastus Medialis Origin
linea aspera
Vastus Medialis Insertion
patella via quadriceps (VM)
Vastus Intermedius
extends leg
Deep to Rectus Femoris

Vastus Intermedius Origin
anterior femur
Vastus Intermedius Insertion
patella via quadriceps (VI)
Sartorius
Flexes, abducts, and laterally rotates thigh
flexes leg

Sartorius Origin
anterior superior iliac spine
Sartorius Insertion
proximal + medial tibia (S)
Gracilis
adducts thigh, flexes and medially rotates thigh

Gracilis Origin
pubis
Gracilis Insertion
proximal+medial tibia (G)
Adductor Magnus
adducts, flexes, and laterally rotates thigh

Adductor Magnus Origin
rami of pubis + ischium
Adductor Magnus Insertion
linea aspera (AM)
Adductor Longus
adducts, flexes, and laterally rotates thigh

Adductor Longus Origin
pubic symphysis
Adductor Longus Insertion
linea aspera (AL)
Adductor Brevis
adducts, flexes, and laterally rotates thigh

Adductor Brevis Origin
pubic ramus
Adductor Brevis Insertion
linea aspera (AB)
Pectineus
adducts, flexes, and medially rotates thigh

Pectineus Origin
pubis
Pectineus Insertion
inferior to lesser trochanter and linea aspera
Tensor Fasciae Latae
Abducts, flexes, and rotates the thigh medially
Tensor Fasciae Latae Origin
iliac crest
Tensor Fasciae Latae Insertion
iliotibial tract
Femoral Nerve
Femoral Artery
the major artery supplying the leg

Femoral Vein
deep vein

Great Saphenous Vein
Superficial Vein

Gluteus Maximus
extends and laterally rotates thigh

Gluteus Maximus Origin
iliac crest, sacrum, coccyx
Gluteus Maximus Insertion
gluteal tuberosity and iliotibial tract
Gluteus Medius
abducts and medially rotates thigh
Gluteus Medius Origin
ilium
Gluteus Medius Insertion
greater trochanter
What 3 muscles make up the Hamstrings?
biceps femoris, semitendinosus, semimembranosus
Biceps Femoris (Long Head and Short Head)
flexes leg and extends thigh
Biceps Femoris Origin
long head: ischial tuberosity
short head: linea aspera
Biceps Femoris Insertion
head of fibula and lateral condyle of tibia
Semitendinosus
flexes leg and extends thigh

Semitendinosus Origin
Semitendinosus Insertion
Semimembranosus
extends thigh and flexes leg

Semimembranosus Origin
ischial tuberosity
Semimembranosus Insertion
medial condyle of tibia
Sciatic Nerve
largest nerve in the body

Popliteal Artery
behind the knee
