If you work out in a gym you've probably seen someone doing an exercise with short quick movements, perhaps with too much weight. This is a common mistake that can limit your range of motion and lead to injury. Range of motion (ROM) is the amount of movement around a joint. Our bodies are constantly adjusting to our activities, so if you do an exercise like a squat or bicep curl but are not moving through the full range of motion of your hips, knees or elbows you are shorteni