click below
click below
Normal Size Small Size show me how
Muscle test
study guide for muscle test
Question | Answer |
---|---|
Flexor muscle | bends a joint located on the anterior of the wrist |
deltoid | raises the arm laterally |
tricep brachii | extends the fore arm |
Quadriceps | rectus femoris, vastus lateralis, vastus medialis, vastus intermedialis |
hamstring | posterior thigh, bicep femoris, semitendonosis, semimebranosis |
Pectoralis major | located in the chest helps to adduct the arm |
erector spinae | back muscle that extends the spine |
Sternocleidomastoid | connects sternum to mastoid process, turns the head |
sarcomere | smallest contractile unit of the muscular system |
myosin | protein in the sarcomere that is located in the middle, and contains the cross bridges |
atrophy | decrease in muscle size |
hypertrophy | increase in muscle size |
bicep brachii | flexes the elbow and supinates the forearm |
sartorius | tailors muscle, helps you cross your leg |
masseter | jaw muscle helps you chew your food |
tibialis anterior | front of the lower leg, dorsiflexes and inverts the foot |
abduction | moving the limb away from the body. raising the arm laterally |
inversion | turning the sole of the foot medially |
isometric contraction | same length, example pushing on a wall |
isotonic contraction | same tension, example lifting weights |
lactic acid | waste product of anaerobic respiration, forms when oxygen is not available |
frontalis | produces lateral wrinkles on your forhead |
orbicularis oris | closes and protrudes the lips |
agonist | muscle that acts against the antagonist |
orbicularis oculi | muscle used for winking |