Anatomy Of Arm
Your arm especially your forearm and wrist is a common area for this. Sometimes your muscles bones or tendons put too much pressure on nearby nerves.
Illustration Of Arm Anatomy
A number of smaller muscles cover the radius and ulna and act to move the hand and fingers in various ways.
Anatomy of arm. Several of the muscles in your upper arm are connected to your shoulder. The arm consists of several segments that together make it one of the most useful and complex tools of the human body. It can be divided into the upper arm which extends from the shoulder to the elbow the forearm which extends from the elbow to the hand and the hand.
The muscles of the arm and hand are specifically designed to meet the bodys diverse needs of strength speed and precision while completing many complex daily tasks. It contains four muscles three in the anterior compartment biceps brachii brachialis coracobrachialis and one in the posterior compartment triceps brachii. This hinged joint allows the arm to open up to 180 degrees at full extension.
Extending from the shoulder to the elbow the upper arm provides pulling and lifting strength. The muscle that extends or straightens the arm is the triceps which arises on the humerus and attaches to the ulna at the elbow. This is known as nerve compression or a pinched nerve.
Activities such as lifting weights or heavy boxes require brute strength from the muscles of the arm. The brachialis and biceps muscles act to bend the arm at the elbow. The upper arm is located between the shoulder joint and elbow joint.
In common usage the arm extends to the hand. In human anatomy the arm is the part of the upper limb between the glenohumeral joint shoulder joint and the elbow joint.
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