It is good to do crunches because it will strengthen your core and push ups are good because it will strengthen your biceps.
i would say sit ups, crunches, and push ups are all good exercises to do in your room
sit ups, push ups, crunches, and military press
Best results you can get in 5 weeks are push ups, crunches and a good healthy diet.
30 sit ups or crunches 15 push-ups and do 20 second wall sits 3 times
30 sit ups or crunches 15 push-ups and do 20 second wall sits 3 times
It depends on how fit you are!
you have to do at least .300 crunches or planks a day
For endurance try a home trainer, rope skipping... for strength you can do push-ups, pull-ups, chin-ups, the L-seat, crunches etc...
Better for what? That is like saying "which is better a car or a boat". They are two toatally different exercises that focus on different parts of the body. Sit ups are primarily a stregth/endurence exercise of mainly the abdominals (esp. the rectus abdominis) Push ups are a stregth/endurence exercise focusing on the upper body (esp. the chest, shoulders and triceps)
Calisthenics workouts are simple movement exercises where you use only your body, no equipment. The push ups and crunches you are doing is a good example. Some other calisthenics you could do would be lunges, sit ups, jumping jacks, pull ups and squats.
Crunches and crunches. Sit ups with a friend holdin your feet down. Also bridge ups. Bridg ups are where you lay down flat with ur arms above youyou push ur belly up where you are like a bride that something could go underneath.
Jim Kelly's ab workout consists of a ton of exercises. For example, it consists of push ups, sit ups, pull ups, and bicycle crunches.