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.
The dominant muscle in the upper chest is the pectoralis major. This large fan-shaped muscle stretches from the armpit up to the collarbone and down across the lower chest region on both sides of the chest.The two sides connect at the sternum, or breastbone.he major muscles in the upper torso include: 1  Trapezius: This muscle extends across the neck, shoulder, and back. 2  Rhomboid major: Attached to the shoulder blade, this muscle is one of many that aids shoulder movement. 3  Infraspinatus: This rotator cuff muscle helps raise and lower the arm. 4  Teres major: This muscle helps rotate the upper arm. 5  Serratus