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.
Function. The pectoralis major muscle is the most important muscle for the adduction and anteversion of the shoulder joint which is why it is also known as the âbreaststroke muscleâ. It rotates the upper arm outwards and makes a powerful stroke movement (retroversion) when the arms are elevated (e.g. in wood-chopping).he pectoralis major muscle (green highlighted on the picture) is a strong, fan-shaped muscle of the shoulder joint. It decisively shapes the surface anatomy of the breast. Furthermore it participates in forming the anterior wall of the axilla.