​The movement of a limb away from the center line of the body.

The movement of a limb towards the center line of the body.

“as many repetitions (or rounds) as possible,” done in a set amount of time.

A weight used for resistance exercise; a bar with detachable weighted plates at each end.

Any vigorous activity that increases heart rate and respiration and raises oxygen and blood flow throughout the body 

(Delayed Onset Muscle Soreness): The pain or stiffness felt in muscles in the 24-72 hours after heavy exercise.

A weight used for exercising; a small handle with either fixed or detachable plates at each end.

Barbells, dumbbells, kettlebells and other similar pieces of equipment that don't have a fixed movement pattern, unlike a cable machine, for example.

a cast-iron or cast-steel ball with a handle attached to the top It is used to perform many types of exercises

The number of times an exerciser performs an exercise, or lifts and lowers a weight, in one set

A group of reps performed back to back, after which a short rest period is taken.

Alternating back and forth between two exercises until the desired number of sets is complete.