Pictured above is the latissimus dorsi. It is the largest muscle in the back of your body (attached to your hips, spine, ribs, shoulder blade, and upper arm), and it pulls the arm down to your side and towards the back of the body.
The muscles are layered, showing how some of the muscles are covered by the others. All of the muscles are see-through so that you can appreciate the location and size of each muscle relative to the others.
Click here for a list of all the muscles.
Individual upper back & neck muscles you might be interested in: (any inactive links will be live soon)
Muscles that cross the shoulder joint (attach somewhere in the torso and to the upper arm)
Muscles that attach to the shoulder blade (scapula) & the spine or ribs
- Trapezius
- Levator Scapulae
- Rhomboid Minor
- Rhomboid Major
- Latissimus Dorsi
- Pectoralis Minor
- Serratus Anterior
Muscles that attach to the scapula & the arm
- Deltoids
- Supraspinatus
- Infraspinatus
- Teres Minor
- Subscapularis
- Teres Major
- Triceps (long head)
- Biceps Brachii
- Coracobrachialis
- Latissimus Dorsi
Good luck working out those tight knots.
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