MEDICAL PHYSIOLOGY

Detailed explanation-1: -The moveable end of the muscle that attaches to the bone being pulled is called the muscle’s insertion, and the end of the muscle attached to a fixed (stabilized) bone is called the origin.

Detailed explanation-2: -A muscle has two ends that each attach to bone: the muscle’s origin and the muscle’s insertion. At both of these points, tendons attach the muscle to bone. Muscle insertion refers to a muscle’s distal attachment-the end of the muscle furthest away from the torso. For example, the bicep insertion occurs at the elbow.

Detailed explanation-3: -The tendon and aponeurosis form indirect attachments from muscles to the periosteum of bones or to the connective tissue of other muscles. Typically a muscle spans a joint and is attached to bones by tendons at both ends.

Detailed explanation-4: -Tendons mainly consists of closely-packed collagen fibers running parallel to the force generated by the muscle to which they are attached. Tendons also contain elastin fibers to improve the elastic properties and proteoglycans, which maintain tendon organisation during extension and compression.