What is the insertion point of the latissimus dorsi?

The insertion point of the latissimus dorsi is the bicipital groove of the humerus. This is the area where the muscle attaches and plays a critical role in various movements of the arm. The latissimus dorsi is a large muscle that contributes to actions such as adduction, extension, and internal rotation of the shoulder joint. By inserting at the bicipital groove, the latissimus dorsi can effectively influence the movement of the humerus, allowing for powerful pulling motions, which are particularly important in activities such as climbing and swimming.

The other choices do not represent the correct anatomical attachment for the latissimus dorsi. The bicipital groove of femur, mastoid process, and superior border of scapula refer to different structures or locations in the body that are associated with other muscles or functions, but they do not correspond to the insertion of the latissimus dorsi. This anatomical specificity is vital for understanding muscle mechanics and functional anatomy, especially in the context of sports massage and related therapies.