First aid mastery depends on knowing CPR techniques, recognizing heat stroke symptoms, and implementing structured rehabilitation for fractures and sprains.
The ulnar nerve passes from the shoulder, through the outside of the elbow, through the wrist and to the hand. Compression or irritation of the nerve anywhere along its path can lead to pain, tingling and numbness of the last three fingers of the hand.
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The shoulder is one of the most mobile joints in the body, allowing for reaching up behind and across the body. According to the American Academy of Orthopaedic Surgeons, this mobility comes at a price, with instability at the shoulder resulting in many injuries.
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