Biochemistry 57 , 827838 (2018)
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Memory loss and difficulty concentrating can also indicate a vitamin B12 deficiency, particularly in older adults
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The following are common causes: Overuse: Repetitive overhead motion in sports (e.g., tennis, swimming) or occupations (e.g., painters, mechanics) Impingement syndrome: Compression of rotator cuff tendons under the acromion during arm elevation Age-related degeneration: Reduced blood flow and tendon elasticity in individuals over 40 Poor posture: Forward head and shoulder positioning increases stress on shoulder stabilizers Previous shoulder injuries: Dislocations or fractures can alter shoulder mechanics and increase risk How Is Rotator Cuff Tendinopathy Diagnosed