What Are Eccentric and Concentric Contractions? Eccentric contractions occur when a muscle lengthens under load, such as lowering a dumbbell during a biceps curl. Concentric contractions happen when ...

Squeezing in a solid workout can be a challenge for time-poor fitness enthusiasts, but lately we’re seeing exercise scientists really drill into what the most efficient workouts might look like. A ...

Eccentric Muscle Contraction: A type of muscle contraction in which, despite activation of motor units and the production of force, the external resistance forces the muscle to lengthen. This occurs ...