| A | B |
|---|
| abduction | lifting your arms up to the side |
| adduction | bringing your arms down to your sides |
| dorsiflexion | rocking back on your heels |
| circumduction | conical movement: doing "windmills" with your arms |
| eversion | rotate the foot so your arch points down / away from middle |
| inversion | stand on the sides of your foot |
| extension | increasing the angle at a joint |
| flexion | decreasing the angle at a joint |
| plantar flexion | pointing your toes |
| pronation | rotating your arm so that palms are facing down |
| supination | rotating your arm so that palms are up (correct ana. position) |
| rotation | pivoting around a point |
| elevation | raising shoulders/jaw |
| retraction | motion of being drawn backwards |
| protraction | being drawn forward (only jaw and shoulder) |
| depression | lowering a joint (shoulder/jaw) |
| isotonic | equal tension (50 lbs up, 50lbs down) produces mov't |
| isometric | =length, like plank, wall sit |
| few motor units | when picking up something light, you activate this many muscle fibers |
| many motor units | when lifting something heavy, you activate this many fibers |
