The humerus is a point of attachment for many muscles in the arm. Both the pectoralis major and deltoid muscles attach to the humerus. Many of the muscles that attach to the humerus take part in actions like pulling, pushing, pressing, and lifting. The humerus also plays a role in activities that require articulation.
This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.