Shoulder Muscle

Extension of Elbow, antagonist of biceps

Helps move shoulder, Antagonist of Pectoralis Major

One of your "hip flexors", also rotates and abducts your femur

Found on the inside of your upper thigh, brings you legs "back in"

Extension of the knee

found on the outside of your lower leg, moves ankle (eversion and plantar flexion)

Found next to your shin bone, moves ankle (inversion and dorsiflexion)

Largest muscle in the body, main extensor of the hip.

Found in hip, kind of a "Jack of all trades", helps with lots of hip movement - flexion, extension, even some abducting

Main flexor of the knee

One of your "calf muscles", longer and flatter, strongest of the two, plantar flexion of the foot, balance and support of the body

One of your "calf muscles", bigger but not as strong, plantar flexion of the foot, balance and support of the body