44f14631__Multi_Hip_Combination_Machine__0
[The Flex MIni] No you don�t need to even think about form. The FLEX MINI keeps track of the intensity and duration of the concentrated muscle contractions for you. YES. You must be attentive to how you use the apparatus. [0] 
Do you need to focus on your form?
Flex Mini vs Muscle Dynamics Multi Hip Combination Machine
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