WebAug 7, 2024 · The lateral pectoral nerve arises from C5-7, runs between the pectoralis major and minor muscles, and supplies innervation to the pectoralis major muscle. The medial pectoral nerve arises from C8-T1, runs deep to the pectoralis minor, and innervates the pectoralis major and minor muscles. WebAug 8, 2024 · The pectoralis major is a broad, fan-shaped muscle that covers the upper anterior portion of the chest. The innervation corresponds to the lateral (C5-C7) and medial (C8-T1) pectoral nerves. It is composed of two parts: a sternal head and a clavicular head. The origin of the sternal head is the sternum and the six superior costal cartilages.
Pectoralis major - Physiopedia
WebJun 30, 2015 · The pectoralis minor is a thin, triangular muscle of the upper chest wall; the pectoralis major is a large, fanlike muscle that covers most of the upper, front part of the chest. WebApr 10, 2024 · The pectoralis minor is responsible for stabilizing the scapula and aiding in movements such as downward rotation and protraction. Other muscles in the chest region include: Serratus Anterior: The serratus anterior muscle lies beneath the pectoralis major and originates from the upper eight or nine ribs. It inserts into the scapula and is ... jeepers creepers fanfiction
PECS I and PECS II Blocks - The American Society of Regional …
WebThe PECS 1 block involves injection of local anesthetic between the pectoralis major and pectoralis minor muscles. The PECS 2 block includes the PECS 1 block with an additional deeper injection between the pectoralis minor and serratus anterior muscles. Both injections are performed at the level of the third or fourth rib along the anterior ... WebFind Pectoralis Minor stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection. Thousands of new, high-quality … WebWhich muscle is superficial to the pectoralis minor? (4 pts) 5. What is the superficial muscle of the shoulder girdle that goes from the skull, down the spine, and along the spine of the scapula? (4 pts) 6. Which one of these muscles is a posterior muscle of the shoulder girdle? Pectoralis major, pectoralis jeepers creepers fan art