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Co tu się wyczynia to ja nawet

Machines, on the other hand, force the body to move the weight according to the design of the machine. This places some rather serious limitations on the ability of the exercise to meet the specific needs of the athlete. For instance, there is no way for a human being to utilize the quadriceps muscles in isolation from the hamstrings in any movement pattern that exists
r3d1w4d - Co tu się wyczynia to ja nawet

 Machines, on the other hand, force the bo...