If doing a 100 Push Ups is hard for you, then your muscles will need some recovery afterward. ... If 100 Push Ups is not hard for you, then it will just be a short muscle endurance workout for you. It wouldn't over train or even pump your muscles significantly. It would be a waste of time or a nice warm up.

How many pushups should I do a day to see results?

It is important to keep increasing the number to challenge your body. If you keep on doing 20 push-ups for three months then your muscles will become familiar with 20 push-ups a day routine and will stop growing. Ideally, you should try to do 3 sets of 12 reps each day. This will help you gain muscle strength.

How long does it take to see results from doing push-ups?

As a beginner at strength training, if you focus your initial efforts on a push-up progression, in two months, you will see massive results. Give it a try, you'll be happy with the increased definition, muscle size, and strength. After a month of this though, you may find that regular push-ups become a little dull.