Your pectoralis major is a large and powerful chest muscle that’s shaped like a fan. It starts from two sections: your breastbone (sternum) and your collarbone (clavicle). The two sections come ...

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 ‘pecs,’ ...

The pectoralis major muscle originates from multiple locations, including the costal cartilage of ribs two through six, the sternum, the medial half of the clavicle and the external oblique fascia.

A 32-year-old, active man who worked in the military presented with left shoulder pain and weakness 6 months after sustaining an injury while bench-pressing 175 kg. On physical examination, he had a ...

1 Department of Orthopaedic Surgery, St Vincent's University Hospital, Elm Park, Dublin 4, Ireland 2 Department of Accident and Emergency, St Vincent's University Hospital The treatment of pectoralis ...

When it comes to strength training your muscles for a sculpted, well-defined chest, you’re probably familiar with your pectoralis major muscles, the large set of muscles that stretch across the upper ...

Performing chest exercises, such as push-ups and bench presses, can help increase the strength and definition of your chest muscles. The chest muscles could be considered a defining part of strength ...

Chest workouts can look (and feel) so similar that constituent exercises are often just called ‘chest exercises’, without any differentiation about specific muscle groups that each exercise hits. This ...

What is the pectoralis major muscle? The pectoralis major muscle is a large powerful muscle at the front of the chest. It used to rotate the arm inwards, pull a horizontal arm across the body, pull ...

Mark S., a 27-year-old male, is complaining of left shoulder weakness. Mark trains with weights regularly (3-4 times each week) and has done this for 10 years. Six months ago, while doing the bench ...