Dec 26, 2009 7:04 AM:
The abs need a full range of motion to be worked most efficiently. Depending on the machine, you may not be able to get a full stretch before contraction.
The abs need a full range of motion to be worked most efficiently. Depending on the machine, you may not be able to get a full stretch before contraction.-See Less
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Dec 26, 2009 7:04 AM: The abs need a full range of motion to be worked most efficiently. Depending on the machine, you may not be able to get a full stretch before contraction.