| A | B |
| myoclonus | quick involuntary jerking of a muscle or group of muscles |
| myoparesis | weakness or slight muscular paralysis |
| myorrhaphy | surgical suturing of a muscle |
| oblique | slanted or at an angle |
| plantar fasciitis | inflammation of plantar fascia leading to foot or heel pain |
| pronation | rotating arm or leg so hand or foot is turned downward or backward |
| sarcopenia | loss of muscle mass or strength due to aging |
| shin splint | pain caused by the muscle tearing away from the tibia |
| sphincter | a ring-like muscle tightly constricing the opening of a passageway |
| transverse | in a cross-wise direction |