Yeah when used properly in a routine they are an excellent tool, in most cases they are ideal for training muscle endurance, conditioning and explosive movements. Just don't limit yourself to pushups and situps, use dips, pullups, pistols even plyometric pushups and jumps in your training.
Thanks for the reply man i just have one more question. Is it possible to gain a little by doing them?
Thanks for the reply man i just have one more question. Is it possible to achieve an MMA fighters physique by doing them?