Why Does My Elbow Hurt When I Straighten It?
Medically reviewed by Linda Girgis | MD, Girgis Family Medicine on August 22nd, 2026.
Elbow pain when straightening typically indicates inflammation or damage to the joint structures. The most common cause is tennis elbow (lateral epicondylitis), affecting up to 3% of adults annually, where overuse inflames the tendons connecting forearm muscles to the elbow. Other causes include golfer's elbow (medial epicondylitis), bursitis, or joint stiffness from arthritis. Repetitive motions like typing, lifting, or sports activities often trigger these conditions. The pain usually worsens with gripping activities and improves with rest. Most cases resolve within 6-12 months with proper treatment including rest, ice, anti-inflammatory medications, and physical therapy exercises.
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