Wll first of all start a little hard to see how much would be the most your friend can do and then go slowly so that the muscle gets used to fast movement but especially with a correct diet that must follow step by step.
I hope this works for you
Please just flop over? It helps me out!
I think it’s C but i’m not completely sure but C makes the most sense!
Answer:
The eccentric contraction will produce up to 50 percent more stress than the concentric contraction. This is why the eccentric contraction is not only so effective in regulating and stopping motion, but also in creating enough energy in the muscles to contract explosively for them.
Explanation: