1 The more alcohol you drink, the greater your risk of developing breast cancer. 2  If you choose to drink alcohol â including beer, wine or liquor â limit yourself to no more than one drink a day. 3  Don't smoke. 4  Accumulating evidence suggests a link between smoking and breast cancer risk, particularly in premenopausal women.he following are steps you can take to lower your risk: 1  Limit alcohol. 2  Don't smoke. 3  Control your weight. 4  Be physically active. 5  Breast-feed. 6  Limit dose and duration of hormone therapy. 7  Avoid exposure to radiation and environmental pollution.
When extending an arm into a straight position, the triceps is considered the agonist muscle and the biceps is the antagonist, since the triceps muscle generates the motion to straighten the arm and the biceps contracts to return the arm to the original position.
Some of the main muscles of the shoulder that move the upper arm include the deltoid and the pectoralis major. The deltoid is this muscle here, right at the shoulder joint. You could say that this is the muscle that gives your shoulder that rounded shape that it has.It stabilizes and moves the shoulder and arm.The deltoid is the main abductor muscle of the shoulder, meaning it moves the arm away from the center of the body.he deltoid is this muscle here, right at the shoulder joint. You could say that this is the muscle that gives your shoulder that rounded shape that it has. It stabilizes and moves the shoulder and arm. The deltoid is the main abductor muscle of the shoulder, meaning it moves the arm away from the center of the body.