PTF refers to the training concept that a powerful muscular contraction is achieved if that contraction is preceded by a strong muscular contraction. For example, a boxer performs a heavy set of 3 reps in the incline bench press, followed by a 12 medicine ball chest passes. 1. This move is explosive, that one expect to see toned arms and pecs in a few weeks. 2. Help build lean muscle and conditioning of the body. 3. Boost metabolism. 4. Burn calories and lose weight easily with the help of this movement. 5. Type 2 fibre muscle tissues needed in boxing will be activated. 6. Attitude.