That pulse width is the same as my unit, which can definitely develop a strong contraction! I would recommend not starting with the full 10 reps for 10 seconds the first few times because you will find yourself very, very sore!
That pulse width is the same as my unit, which can definitely develop a strong contraction! I would recommend not starting with the full 10 reps for 10 seconds the first few times because you will find yourself very, very sore!