Muscles of the Hip, Leg, & Foot

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Presentation transcript:

Muscles of the Hip, Leg, & Foot

Hip Gluteus Maximus Butt Gluteus Medius

Gluteus Maximus Function: Extends and rotates the thigh Origin: Pelvis and sacrum Insertion: Femur (posterior)

Gluteus Medius Function: Extends and rotates the thigh Sits above the gluteus maximus Origin: pelvis (posterior) Insertion: top of femur

Upper Leg Sartorius Quadriceps Muscles Hamstring Muscles “Hacky-Sack” Muscle Quadriceps Muscles Quads Hamstring Muscles Hammies

Sartorius Function: flexes lower leg Longest muscle in the body (anterior) Origin: pelvis Insertion: medial side of tibia

Quadriceps Muscles Quadriceps 4 muscles make up the “Quad” on the anterior side of leg Function: Extends the leg & knee and flexes of the hip & thigh

Quadriceps Origin: Lower part of the pelvis and top of the femur Insertion: patella (knee cap) Rectus Femoris Located next to the sartorius Vastus Lateralis Located on the outside of your thigh Vastus Medialis (VMO) Located on the inside of your thigh Vastus Intermedius Located next to the vastus lateralis

Hamstring Muscles Function: Flexes the leg and extends the thigh 3 muscles make up the hamstring It is located on the posterior side of the leg Function: Flexes the leg and extends the thigh

Hamstring Muscles Origin: Back of Pelvis Insertion: Tibia (inside & outside) Biceps Femoris Outside hamstring muscle Semimembranosus Inside hamstring muscle Semitendinosus Middle hamstring muscle

Lower Leg Gastrocnemius (Calf) Tibialis Anterior Extensor Digitorum Longus Peroneus Longus Peroneus Brevis

Gastrocnemius Function: (posterior) extends or depresses the foot when standing or walking; points the foot down Origin: bottom of the femur Insertion: heel bone (calcaneus)

Tibialis Anterior Function: flexes the foot muscle on your shin bone Origin: Tibia Insertion: Metatarsal

Extensor Digitorum Longus Function: Moves your toes/digits 2-5 Origin: top of tibia and fibula Insertion: Phalanges (2-5) Located next to tibialis anterior on the outside of the leg

Peroneus Longus Function: Flexes the foot; arch support muscle (side of leg) Origin: Fibula Insertion: Big toe (1st metatarsal)

Peroneus Brevis Function: Flexes foot; arch support muscle Origin: shaft of fibula Insertion: your little toe (outside lower leg)