What is RFD and Reactivity?
If you have read about vertical jump training, then you have probably come across the terms RFD and reactivity. If not, even then it is very important that you understand these terms because these two factors are very important when it comes to improving your vertical jump. RFD stands for Rate of force development. This means how fast your muscles can produce the force that is required to jumping higher. When you jump higher during a game, you don’t have enough time to bend down and gather all your strength and then jump up. Besides, the longer you take to jump the less effective your jumping will be. In jumping it is very important that you have a high RFD, which means your muscles are able to produce your strength very quickly. Reactivity (or reactive strength) on the other hand how fast you can complete your jumping motion (going up and coming down) without losing anything in your performance. What this means is when you land from a jump, you should be able to absorb all the force q