Extensor Digitorum Muscle: Arm, Elbow, Hand, Finger Pain
Extensor Digitorum

Extensor Digitorum Muscle: Arm, Elbow, Hand, Finger Pain

The extensor digitorum is located in the back of the forearm. It contributes to pain in the back of the hand and middle finger which sometimes radiates up into the back of the wrist and the back of the forearm. Pain is occasionally felt in the front of the wrist, just below the palm.

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Lumbrical Muscles of Hand: Hand and Finger Pain

The lumbrical muscles of the hand contribute to pain in the back of the hand and the fingers. Pain in the index finger and/or the little finger are most common. Stiffness in the finger joints mimics arthritis pain. Stiffness and pain when opening and closing the hand is also common.

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Extensor Indicis Muscle: Hand and Finger Pain

The extensor indicis muscle is located in the back of the forearm. It contributes to pain in the back of the wrist, hand, and index finger. The pain will often feel like you have sprained or strained the back of the hand. It can also cause charley horse like cramps in the index finger.

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Flexor Pollicis Longus Muscle: Thumb Pain
Flexor Pollicis Longus

Flexor Pollicis Longus Muscle: Thumb Pain

The flexor pollicis longus muscle is located in the forearm, same side as the thumb. It contributes to pain in the middle joint and tip of the thumb. Pinching motions between the forefinger and thumb can cause intense pain. It can also cause the middle thumb joint to pop and sometimes lock.

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Pronator Teres Muscle: Forearm, Wrist, Thumb Pain
Pronator Teres

Pronator Teres Muscle: Forearm, Wrist, Thumb Pain

The pronator teres muscle is located in the front of the forearm. It can contribute to pain in the wrist near the thumb. Pain is often felt in the thumb pad and can extend up into the forearm. Cupping the hand can become almost impossible because of intense pain in the wrist and or thumb pad.

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Extensor Carpi Ulnaris Muscle: Wrist Pain
Extensor Carpi Ulnaris

Extensor Carpi Ulnaris Muscle: Wrist Pain

The extensor carpi ulnaris is found in the back of the forearm toward the side of the little finger. It can contribute to wrist pain. The pain feels like a severe sprain. Twisting the wrist can cause sharp pain. The muscle is also a prime contributor to writers cramp.

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Extensor Carpi Radialis Brevis Muscle: Pain In Forearm and Hand
Extensor Carpi Radialis Brevis

Extensor Carpi Radialis Brevis Muscle: Pain In Forearm and Hand

The extensor carpi radialis brevis muscle is located in the back of the forearm on the side of the thumb. It contributes to a burning pain in the back of the hand that sometimes extends up to the forearm. Twisting the wrist can cause excruciating pain. It also can cause a weakened unreliable grip.

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Anconeus Muscle: Elbow Pain
Anconeus Muscle

Anconeus Muscle: Elbow Pain

The anconeus muscle is located in the forearm contributes to pain in the elbow. Pain is most pronounced when straightening the elbow. It is a prime contributor to tennis elbow and affects golfer's non-dominant elbow.

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Brachioradialis Muscle: Elbow, Forearm, Thumb Pain
Brachioradialis

Brachioradialis Muscle: Elbow, Forearm, Thumb Pain

The brachioradialis is located on the outside of the arm and is a contributor to tennis elbow. It can cause pain on the outside of the elbow, forearm and often descends down into the wrist and thumb. It can contribute to numbness around the thumb as well as a weakened grip.

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Supinator Muscle: Elbow and Thumb Pain
Supinator Muscle

Supinator Muscle: Elbow and Thumb Pain

The supinator muscle is located on the thumb side of the elbow. It can contribute to pain in the elbow, forearm, and back of the hand at the base of the thumb. It can also contribute to numbness and tingling in the thumb side of the hand.

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