| Themes > Science > Life Sciences > General Biology > Physiology > Human Body > Muscles Menu > The Shoulder > Pectoralis Minor Entrapment of Brachial Nerve |
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Why Does your Hand Go to Sleep When You Put your  If there is any shortening
or tightness in pectoralis minor, it can entrap the brachial nerve when
you put your arm over your head. This can cause numbness in parts of
your forearm, hand and fingers. Where the numbness occurs depends on
what part of the nerve is entrapped. Pectoralis minor is fairly easy
to treat in clinical massage therapy.
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