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AC Joint Pain

A condition in which inflammation or degeneration develops in the acromioclavicular (AC) joint where the collarbone meets the shoulder blade, causing pain on top of the shoulder. It worsens when raising the arm overhead or reaching to touch the opposite shoulder.

Expert VerifiedHyo-seop KimChief Director

AC Joint Pain

Q. Top of shoulder hurts after weight training — is this AC joint?

Likely — bench press and overhead pressing commonly cause AC joint issues.

📝 Detailed Answer

Weight training and AC joint: ① bench press, dips, overhead pressing common causes, ② location: top of shoulder, ③ pain with cross-body movement, ④ heavy weights repetitively cause AC joint stress, ⑤ form correction and weight reduction key. Korean medicine treatment + technique modification effective.

Expert Verified

Hyo-seop Kim

Chief Director

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