Body positions
Prone — lying face-down on your stomach.
Supine — lying face-up on your back.
Lateral — on your side.
Quadruped — on your hands and knees.
Movement
Concentric — the muscle shortens as it contracts (e.g. lifting a dumbbell).
Eccentric — the muscle lengthens under load (e.g. lowering a dumbbell).
Isometric — the muscle contracts without changing length (e.g. plank, wall sit).
Range of Motion (ROM) — how far a joint can move through its natural arc.
Anatomy
Anterior — the front of the body.
Posterior — the back of the body.
Medial — toward the midline.
Lateral — away from the midline (outside).
Proximal / Distal — closer to / farther from the torso.
Training
Rep (repetition) — one full execution of an exercise.
Set — a group of consecutive reps without rest.
1RM — one-rep max, the heaviest weight you can lift once.
RPE — rate of perceived exertion, 1–10 scale.
DOMS — delayed-onset muscle soreness; peaks 24–72 hours after a workout.
Superset — two exercises performed back-to-back with no rest.
qFIT-specific
Category — top-level grouping (e.g. Cardio, Strength).
Target — what you're focusing on inside a Category (e.g. Upper Body).
Method — the specific exercise or activity you do (e.g. Pushups).
Routine — a saved set of Methods you do together (e.g. Morning Stretch).