AP Muscle Practical

Origin

less movable location on a bone where a muscle attaches

Insertion

more movable location on a bone where a muscle attatches

Adduction

moves limb toward the midline of the body

Abduction

moves limb away from midline of the body

flex the thigh

draw leg forward so that you decrease the angle between it and the front of your torso

extend the thigh

increase the angle between it and the front of your torso

muscles of the quadriceps

rectus femoris, vastus lateralis, vastus medialis

muscles of the hamstrings

biceps femoris, semitendinosis, semimembranosis

extensors of thigh

biceps femoris, semitendinosis, semimembranosis

abductors of thigh

sartorius, gluteus medius, tensor fasciae latae

extensors of knee

rectus femoris, vastus lateralis, vastus medialis

extensor of foot

gastrocnemius

flexor of thigh

rectus femoris, psoas major, sartorius

adductors of thigh

pectineus, gracilis

flexors of knee

biceps femoris, semitendinosis, semimembranosis, sartorius and gastrocnemius

flexor of foot

tibialis anterior

deltoid

abductor of arm

bicecps brachii

flexor of elbow

triceps

forearm extensor

masseter

elevator of mandible

trapezius

extensor of neck