Upper arm bone (humerus) Your deltoid muscles start near your clavicle and scapula. The end of the muscles, or insertion point, attaches near your humerus.

It serves as part of the shoulder joint and as an anchor for many of the arm, upper back, and shoulder muscles. Scapula function depends on these muscles, which include the: Levator scapulae .

The scapula (shoulder blade), clavicle (collarbone) and humerus (upper arm bone) rely heavily on the coordination of muscles ...

This is where your upper arm bone, or humerus, ... A 2007 study found the triceps accounts for about 55 percent of the muscle mass in the arm while the biceps accounts for about 30 percent.

Arm fat can be particularly frustrating. It’s often one of the last areas to respond to diet and exercise, and the first place to show when we gain weight. Whether you’re concerned about upper ...

The push-up isn't just for the chest. This article answers the question 'what muscles do pushups work' and provides tips on form, mistakes, and variations.

Fractures — The collarbone, upper arm, or shoulder blade could all experience a fracture (cracked or broken bone). This is most often caused by a fall, accident, or sports-related contact. Tendon ...

Your rotator cuff, which includes four muscles that connect your upper arm bone (your humerus) to your shoulder blade. These are the infraspinatus, supraspinatus, subscapularis, and teres minor.

Trapezius: Also known as the “traps,” the trapezius is a muscle group that covers the upper back and goes down along the spine to the mid-back, says Tina Tang, CPT, founder of Iron Strong Fitness.

The scapula (shoulder blade), clavicle (collarbone) and humerus (upper arm bone) rely heavily on the coordination of muscles like the rotator cuff, trapezius, serratus anterior and deltoids to ...