Chest (Thoracic) & Pectoral Muscles: Anatomy & Diagram
What muscles are located in the chest: Learn the names, anatomy, & location of all the thoracic & pectoral muscles with labeled diagram
Muscles of the Pectoral Region - Major - Minor - TeachMeAnatomy
Nov 6, 2025 · 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.
The Anatomy of Your Chest Muscles, Explained (and How to ...
Nov 17, 2024 · This is everything you need to know about the chest muscles themselves, the principles of proper pec training, and the movements you need to plug into your workout …
The Muscles of the Chest and Upper Back: 3D Anatomy Model
4 days ago · Nine muscles of the chest and upper back are used to move the humerus (upper arm bone). The coracobrachialis and pectoralis major muscles connect the humerus anteriorly to …
Chest Muscles Anatomy: What Your Pecs Are and What They Do
Mar 11, 2025 · The primary function of your pectoral muscles is to adduct your arms, or pull them towards the midline of your body from various angles. Here, we break down the anatomy of …
Chest (Thorax) Anatomy & Function - Cleveland Clinic
Sep 17, 2025 · When your diaphragm and intercostal muscles contract, they expand your chest cavity and draw air into your lungs. Your upper chest primarily lifts front-to-back (pump-handle …
Chest Muscles Anatomy, Diagram & Function | Body Maps
Jan 21, 2018 · The dominant muscle in the upper chest is the pectoralis major. This large fan-shaped muscle stretches from the armpit up to the collarbone and down across the lower …