تنويعات قبضة العضلة ثلاثية الرؤوس: استهداف الرؤوس الخارجية والسفلية والداخلية

📝 التحقق من الحقائق: This is a common gym myth. ❌ The orientation of your palm (supination) does not isolate the outer (lateral) head of the triceps. Anatomically, all three heads of the triceps insert on the ulna bone in the forearm, which does not rotate with your hand. While some minor differences in muscle activation might exist, scientific literature does not support this specific claim. In fact, some analyses suggest a supinated grip might increase activation in the long and medial heads, not the lateral one.

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