I keep hearing people complaining about getting tennis elbow from skull cruskers. You have to go through the entire range of motion. You have to keep your elbows in the same position, and FULLY extend your arms when you come up, lock them. Skull crushers are the best way to get huge tricpes, if you want 19-20 arms you gotta do them. Boxers better watch, cause once you get past 17 your gonna lose speed
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