Corachobrachial

Extending from one outer tip (note 1) of the shoulder blade to the middle of the inner sife of the humerus (note 2). It draws the humerus forward and inward, and also raises it towards the scapula. In archery, it is almost certainly active in positioning and stabilising the shoulder joint.

Note 1: The coracoid process, hence the muscle's name.

Note 2: The humerus is the large bone in the upper arm.