Can You Influence The Sex Of Your Baby Or Whether You Have A Boy Or A Girl. What determines the sex of your baby? When it's time to have a baby, some couples are intent on trying various methods â such as diet, sexual position and timing â to try to conceive a boy or girl.
The biceps tendons attach the biceps muscle to the shoulder. Your shoulder is a ball-and-socket joint made up of three bones: your upper arm bone (humerus), your shoulder blade (scapula), and your collarbone (clavicle). The head of your upper arm bone fits into a rounded socket in your shoulder blade.
Home > Skeletal System > Bones of the Arm and Hand > Humerus. The humerus is the both the largest bone in the arm and the only bone in the upper arm. Many powerful muscles that manipulate the upper arm at the shoulder and the forearm at the elbow are anchored to the humerus. Movement of the humerus is essential to all of the varied activities of the arm, such as throwing, lifting, and writing.