Medically reviewed by Scott Zashin, MD Rheumatoid arthritis (RA) is known for causing all-over inflammation and pain. It happens when the immune system malfunctions and attacks the synovium, the ...

All muscles and tendons were removed after the humerus was disarticulated from ... each shoulder specimen had the scapula and clavicle fitted in a 6 degree-of-freedom testing apparatus (Fig ...

Ball and socket joint. Articulating bones are humerus and scapula (the clavicle is not part of the shoulder joint). Allows a great range of movement in all directions. Many muscles are used to ...

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 ...