Radius (radial bone) - The shorter of the two long bones of the forearm, extending from the elbow to the wrist; it is the bone on the thumb side of the arm.

Radius (radial bone) - The shorter of the two long bones of the forearm, extending from the elbow to the wrist; it is the bone on the thumb side of the arm.

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Leonardo da Vinci (Vinci 1452-Amboise 1519) - Recto: The bones of the arm and leg. Verso: The surface anatomy of the shoulder

Leonardo da Vinci (Vinci 1452-Amboise 1519) - Recto: The bones of the arm and leg. Verso: The surface anatomy of the shoulder

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The humerus features identified. Link goes to: http://www.learnbones.com/arm-bones-anatomy/

The humerus features identified. Link goes to: http://www.learnbones.com/arm-bones-anatomy/

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The radius connects to many muscles, such as  the biceps, supinator, flexor digitorum superficialis, flexor pollicis longus muscles, extensor ossis metacarpi pollicis, extensor primi internodii pollicis and the pronator teres muscles   Furthermore, the radius is found on each arm thus contributing a total of two bones to the human body skeleton. http://www.learnbones.com/arm-bones-anatomy/

The radius connects to many muscles, such as the biceps, supinator, flexor digitorum superficialis, flexor pollicis longus muscles, extensor ossis metacarpi pollicis, extensor primi internodii pollicis and the pronator teres muscles Furthermore, the radius is found on each arm thus contributing a total of two bones to the human body skeleton. http://www.learnbones.com/arm-bones-anatomy/

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In archery, it is important to keep your shoulders in line. In picture A, the individual would have a difficult time aiming because they are using their muscles to hold the bow. I realize that you use muscles to hold the bow, but in picture B, the individual is using the bones in their arm to hold the pressure of the bow, allowing for a steadier aim.

In archery, it is important to keep your shoulders in line. In picture A, the individual would have a difficult time aiming because they are using their muscles to hold the bow. I realize that you use muscles to hold the bow, but in picture B, the individual is using the bones in their arm to hold the pressure of the bow, allowing for a steadier aim.

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Leonardo da Vinci (Vinci 1452-Amboise 1519) - Recto: The bones of the foot, and the shoulder. Verso: The veins and muscles of the arm

Leonardo da Vinci (Vinci 1452-Amboise 1519) - Recto: The bones of the foot, and the shoulder. Verso: The veins and muscles of the arm

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The brachioradialis is a pear/tear shape which goes from the lateral part of the bicep (away from body) to the thumb). In conjunction with the other palm side muscle group (consisting of several muscle segments) and the bicep we see an intersection of three interlocking main shapes. Note the white areas showing the tendons (attaching muscle to bone)

The brachioradialis is a pear/tear shape which goes from the lateral part of the bicep (away from body) to the thumb). In conjunction with the other palm side muscle group (consisting of several muscle segments) and the bicep we see an intersection of three interlocking main shapes. Note the white areas showing the tendons (attaching muscle to bone)

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Anterior view of the bones of the right shoulder, showing the clavicle (collarbone), scapula (shoulder blade), and humerus (upper arm bone).

Anterior view of the bones of the right shoulder, showing the clavicle (collarbone), scapula (shoulder blade), and humerus (upper arm bone).

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The humerus is essential for movement because it is the site of many muscle and ligament attachments. Find out the uses and function of our forearm bones http://www.learnbones.com/arm-bones-anatomy/

The humerus is essential for movement because it is the site of many muscle and ligament attachments. Find out the uses and function of our forearm bones http://www.learnbones.com/arm-bones-anatomy/

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Like the humerus, the radius’ primary function includes motion of the arm and support of the arm. http://www.learnbones.com/arm-bones-anatomy/

Like the humerus, the radius’ primary function includes motion of the arm and support of the arm. http://www.learnbones.com/arm-bones-anatomy/

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