Pectoral muscles (colloquially referred to as "pecs") are the muscles that connect the front of the human chest with the bones of the upper arm and shoulder. This region contains four muscles that provide movements to the upper limbs or ribs.

2023年11月3日 · Attachments, innervation and functions of the pectoralis major muscle. The pectoralis major is a paired, superficial muscle located on the anterior surface of the thoracic cage. If you’re a gym lover, you’ll hear these muscles also being referred to as the pecs muscles.

2024年9月6日 · There are three muscles that lie in the pectoral region and exert a force on the upper limb. They are the pectoralis major, pectoralis minor, and the serratus anterior. In this article, we shall learn about the anatomy of the muscles of the anterior chest.

Most pectoral muscle pain is caused by injury, usually due to weight exercises. The bench press is most often associated with such injury. The pain occurs at the attachment of the muscle to the humerus and the front of the armpit. A severe injury can cause the pectoralis muscle to tear.

pectoralis muscle, any of the muscles that connect the front walls of the chest with the bones of the upper arm and shoulder. There are two such muscles on each side of the sternum (breastbone) in the human body: pectoralis major and pectoralis minor.

The pectoralis major (from Latin pectus ' breast ') is a thick, fan-shaped or triangular convergent muscle of the human chest. It makes up the bulk of the chest muscles and lies under the breast. Beneath the pectoralis major is the pectoralis minor muscle.

2024年3月16日 · Your pectoral muscles, commonly referred to as pecs, are a vital component of your upper body musculature. Comprising the pectoralis major and pectoralis minor, these muscles play a crucial role in various movements, including pushing, lifting, and stabilizing the shoulders and arms.

The pectoralis major is the superior most and largest muscle of the anterior chest wall. It is a thick, fan-shaped muscle that lies underneath the breast tissue and forms the anterior wall of the axilla[1]. The pectoralis major is the most superficial muscle in the pectoral region.

2023年8月28日 · The pectoral muscles are the group of skeletal muscles that connect the upper extremities to the anterior and lateral thoracic walls. Juxtaposed with the regional fascia, these muscles are responsible for moving the upper extremities in a wide range of motion.

Dome-shaped sheet muscle between the thoracic and abdominal cavities, separating the two. Muscles like the pectoralis major and minor attach to both the axial and appendicular skeletons, making them axioappendicular muscles. Their actions often …

2020年7月30日 · The pectoralis major is a large, fan-shaped muscle that forms the structure of either side of the surface of the chest wall. Together, these muscles are commonly known as the “pecs.” The two muscles make up the bulk of the chest in …

The pectoral girdle, or shoulder girdle, consists of the lateral ends of the clavicle and scapula, along with the proximal end of the humerus, and the muscles covering these three bones to stabilize the shoulder joint.

2017年8月17日 · Find out the symptoms and causes of a pulled muscle in chest. Discover treatment options and what to do to prevent an injury to your pectoral muscles.

2023年7月24日 · The pectoralis major is the superior most and largest muscle of the anterior chest wall. It is a thick, fan-shaped muscle that lies underneath the breast tissue and forms the anterior wall of the axilla.

2025年1月16日 · The pectoralis major muscle is a large, fan-shaped muscle located in the chest region of the human body. It is responsible for a number of important movements, including flexion, extension, and adduction of the shoulder joint.

2023年5月5日 · The pectoralis major is a large, triangular, or fan-shaped superficial muscle lying at the anteriormost position in the chest cavity. It forms the front wall of the axilla, making up most of the chest and breast. The paired muscle is often called the ‘pecs’ in combination with the smaller muscle pectoralis minor.

2018年1月24日 · The pectoralis major muscle is a large muscle in the upper chest, fanning across the chest from the shoulder to the breastbone. The two pectoralis major muscles, commonly referred to as the...

2018年8月8日 · Pectoralis major is the largest muscle of the pectoral region. Pectoralis major muscle is lean fan shaped and emerges by two heads, viz. Small clavicular head. Large sternocostal head. Clavicular head– it arises from the median half …

The pectoral and scapular regions consist of various structures that include muscles, blood vessels, and nerves; which all act together to make our upper limbs functional. The muscles of the pectoral region are divided into groups based on their locations.

2022年11月14日 · Interactive 3D model of the pectoralis major muscle and information on its origin, insertion, action, innervation, and blood supply.