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Uploaded by strengthcamp on May 3, 2007
Weighted Crunches
Sports
Standard YouTube License
These are not crunches....these are sit ups.
paras316 1 year ago
maybe they want to activate more muscle groups and have them perform a yielding isometric hold by keeping the bag raised.
universalpopper 2 years ago
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These are not crunches....these are sit ups.
paras316 1 year ago
maybe they want to activate more muscle groups and have them perform a yielding isometric hold by keeping the bag raised.
universalpopper 2 years ago