It starts on the humerus and wraps around the arm to connect to the radius. Adductor pollicis longus : This muscle abducts the thumb. It begins in the ulna and attaches to the first finger and wrist.

It starts about halfway up the humerus on the inside of your arm and reaches down to the inside of the elbow. The muscles of the lower arm that extend across the elbow include the: Brachioradialis.

The decision to treat a proximal humerus fracture through either nonoperative or operative management depends on several patient and injury factors.“Certainly, physiologic age, comorbidities ...

A humerus fracture is a break in the large bone of your upper arm. There are several types of humerus fractures, depending on the location of the break. We’ll go over the locations of each type ...