Your forearm anatomy includes 20 muscles, ranging from the extensor carpi radialis longus to the abductor pollicis longus. One of the largest is the brachioradialis, which helps to bend your elbow.

This article discusses the function and anatomy of muscles in the arms, conditions that may affect the arms, and tips for arm muscle health.

We'll discuss the function and anatomy. ... It’s a triangular muscle on the front of the upper arm, beginning at the shoulder blade. Other shoulder muscles include: ...

Strengthening the forearm muscles can help prevent common injuries like tennis or golfer's elbow, ... Anatomy Of The Forearm . The forearm contains 20 muscles that help you move your wrists, ...

The rotator cuff is made up of four muscles that hold your shoulder in place. It helps you perform all the movements of your upper arm and shoulder.

These muscles work together to control arm movement and shoulder rotation. They also help keep the head of the upper arm bone, known as the humerus, in the socket of the shoulder blade, or scapula.

Muscle cramps when you use your arm; Trouble rotating your arm (such as turning the palm up or down) You could also see a big bulge in your upper arm. It will look like you have a huge biceps muscle.

Forearm muscles and anatomy. Anatomy, Shoulder and Upper Limb, Forearm Muscles divide the forearm muscles into two muscular compartments — anterior (flexor) and posterior (extensor).

Reportedly 14 percent of the human population is missing this muscle, though this may vary in Asian, Black and Native American populations. Here's the test to see if you have the muscle or not.