Legal threat. A legal threat is a statement by a party that it intends to take legal action on another party, generally accompanied by a demand that the other party take an action demanded by the first party or refrain from taking or continuing actions objected to by the demanding party. Contents.
The pectoralis major is innervated by the medial and lateral pectoral nerves, which are derived from the brachial plexus. Â© 2015 TeachMeAnatomy.com [CC-BY-NC-ND 4.0]. Fig 1.1 â The pectoralis major has been resected, showing the underlying muscles.
The pectoralis major extends across the upper part of the chest and is attached to a ridge at the rear of the humerus (the bone of the upper arm). Its major actions are adduction, or depression, of the arm (in opposition to the action of the deltoideus muscle) and rotation of the arm forward about the axis of the body.