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What are the muscles of the upper extremities?

Dr. Vonda Wright, MD
Orthopedic Surgery
The muscles of the upper extremities are the following:

 
  • Latissimus dorsi. The big V-shaped back muscles.
  • Rotator cuff. Four small muscles that provide shoulder stability by keeping the arm bone (the humerus) centered in the socket. The rotator cuff is the key to shoulder health.
  • Biceps. The "guns" in the front of your upper arm.
  • Triceps. Gun balancers in the back of your upper arm.
  • Deltoid muscles. The shoulder caps.
  • Wrist extensors. Muscles in the back of the lower arm.
  • Wrist flexors. Muscles in the front of the lower arm.
Fitness After 40: How to Stay Strong at Any Age

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Fitness After 40: How to Stay Strong at Any Age

It's one of the undeniable facts of life. After we reach a certain age, our bodies change. No matter how fit we may have been at 20, we're very different people after 40. But growing older doesn't...

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.