Results for "**Rehabilitation**"
Anatomy Encyclopedia Entry 1776956344
** The **Pectoralis Major** is a large, fan-shaped muscle in the chest that plays a crucial role in movements of the shoulder joint and upper limb. ## Overview The **Pectoralis Major** is one of the largest muscles in the human body, covering the front of the chest and extending from the breastbone (sternum) to the armpit. This muscle is responsible for movements of the shoulder joint, including flexion (lifting the arm forward), extension (lifting the arm backward), and rotation (rotating the arm inward or outward). The **Pectoralis Major** is a vital component of the muscular system, enabling us to perform various daily activities, such as throwing, lifting, and pushing. The **Pectoralis Major** is divided into two parts: the **Clavicular Head** (upper part) and the **Sternal Head** (lower part). These two heads are connected by a fibrous band, known as the **pectoralis major tendon**. The muscle has a rich blood supply, with several arteries and veins that provide oxygen and nutrients to the muscle tissue. ## History/Background The study of human anatomy dates back to ancient civilizations, with the Egyptians, Greeks, and Romans making significant contributions to the field. The **Pectoralis Major** was first described by the Greek physician **Galen** (129-216 AD), who wrote extensively on human anatomy and physiology. In the 16th century, the Italian anatomist **Andreas Vesalius** (1514-1564) published a comprehensive textbook on human anatomy, which included detailed descriptions of the **Pectoralis Major**. ## Key Information The **Pectoralis Major** is a complex muscle with several key features: * **Origin**: The muscle originates from the **sternum**, **clavicle**, and **ribs**. * **Insertion**: The muscle inserts into the **humerus** (upper arm bone) via the **pectoralis major tendon**. * **Innervation**: The muscle is innervated by the **lateral pectoral nerve** and the **medial pectoral nerve**. * **Blood Supply**: The muscle receives blood from the **pectoral branches of the thoracoacromial artery** and the **anterior thoracic artery**. ## Significance The **Pectoralis Major** plays a vital role in various aspects of human life, including: * **Movement**: The muscle enables movements of the shoulder joint, allowing us to perform daily activities, such as throwing, lifting, and pushing. * **Sports**: The **Pectoralis Major** is essential for athletes who engage in sports that require throwing, lifting, or pushing, such as baseball, football, and weightlifting. * **Rehabilitation**: The muscle is often targeted in physical therapy programs to improve shoulder mobility and strength. INFOBOX: - Name: **Pectoralis Major** - Type: **Muscle** - Date: **Ancient civilizations** (first described by Galen in 129-216 AD) - Location: **Chest** - Known For: **Movement of the shoulder joint** TAGS: **Anatomy**, **Muscle**, **Shoulder joint**, **Movement**, **Sports**, **Rehabilitation**, **Physical therapy**, **Galen**, **Andreas Vesalius**
SportsWarrior Games
The Warrior Games is a premier multi-sport event for wounded, injured, or ill service personnel and veterans, showcasing their resilience, determination, and athletic prowess.
Health & MedicineTreatments Encyclopedia Entry 1776999607
Treatments refer to the various methods and interventions used to manage, prevent, or cure diseases, injuries, or medical conditions.