What occurs during an isometric contraction?

During an isometric contraction, the muscle generates force without changing its length. This means that while the muscle is actively engaged and producing tension (such as when you push against a wall), there is no actual movement at the joint, and the muscle length remains constant. This type of contraction is important for maintaining posture and stabilizing joints since it allows muscles to exert force while not altering the body position. Isometric contractions are often used in rehabilitation settings and strength training because they can help improve muscle endurance and strength without putting stress on the joints through movement.