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Muscles of the Extre


Insertion The place where the muscle is attached to the bone that moves.
Origin The place where the muscle is attached to the bone that does not move.
Deltoid Origin on clavicle and scapula; insertion on humerus; Abducts arm, moves arm anteriorly and posteriorly
Biceps brachii Origin on scapula, above shoulder, insertion on radius; flexes arm
Triceps brachi Origin on scapula and back (posterior) humerus; insertion on back of ulna.
Brachioradialis Origin is side (lateral) humerus; insertion lateral, distal radius
Vastus lateralis Origin upper femur: Insertion Insertion lateral patella and anterior upper tibia by way of a tendon. Extends knee
Gastrocnemius Origin bottom (distal ) femur; insertion achilles tendon which connects to heel (calcaneous) Points toes
Soleus Origin back of fibula; insertion in achilles tendon which connects to heel (calcaneous) flexes toes
Sartorius Origin side of hip (lateral iliac): side of the top of the tibia: Flexes knee and laterally rotates leg
Created by: lfclark



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