How to Keep Testosterone Up

The first two muscle groups that start to go as you age is your abdominal wall and your gluteus maximus muscles because they got a lot of fast twitch muscle fiber so if a person's not doing enough explosive movement or high intensity movements you start losing the conditioning in your abdominal wall. Spartan racing is full of those types of activities so not only do you have to lift heavy but you have to actually do some good medicine ball training or plyometric training.