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Uploaded by hxm187 on Dec 6, 2008
No description available.
Comedy
Standard YouTube License
Don't arch your back, you're going to injure yourself. Use a lighter weight with proper form- you'll isolate your muscles, and therefore get more out of it.
PatrickMc1nerney 1 year ago
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Don't arch your back, you're going to injure yourself. Use a lighter weight with proper form- you'll isolate your muscles, and therefore get more out of it.
PatrickMc1nerney 1 year ago