Which term describes holding muscles in a contracted position without movement?

The term that accurately describes holding muscles in a contracted position without movement is isometric. In isometric contractions, the muscle generates tension without changing its length, meaning that there is no visible movement of the joint. This type of contraction is commonly used in Pilates to help build strength and stabilize muscles while maintaining control and precision.

For instance, in exercises where you hold a position such as a plank or a wall sit, your muscles are contracting to maintain that position, but there is no movement occurring at the joints. This contrasts with isotonic contractions, where the muscles change length to produce movement, and isokinetic contractions, which involve movement at a constant speed throughout the range of motion. The term dynamometric is more related to measuring forces during movement rather than describing a type of muscle contraction. Understanding isometric contractions is essential for effective training and rehabilitation in Pilates, as they help improve muscle endurance and stability without placing undue stress on the joints.