While these all may seem very self-explanatory, a lot of people do them wrong and don't even realize it. I have been one of those people, so to be able to get the best results you have to be able to do them right. There are also might be a few you didn't even know existed. These can be done while you're just watching a movie or waiting for your laundry to finish drying, they will take all of 30 minutes to complete a decent amount of each of them.
These are just a few options there are probably hundreds of different ones that you can choose from but these are just a few options to get you started.
1. Crunches
How to Do Cruncheswww.youtube.com
2. Sit-ups
How to Do a Sit Upwww.youtube.com
3. Glute Bridges
100 REPS OF GLUTE BRIDGES - Butt Workoutwww.youtube.com
4.Squats
Squats For Beginners: How to do a Squat Correctlywww.youtube.com
5.Pushups
The Perfect Push Up | Do it right!www.youtube.com
6. Knee-ups
Knee Up Bodyweight workoutwww.youtube.com
7. Dips
The Perfect Dip - Do it rightwww.youtube.com
8. Planks
How to Do a Plank | Back to Basics with Holly Rilingerwww.youtube.com
9. Lunges
Lunges For Beginners: How to do a Lunge the Right Waywww.youtube.com
10. Russian Twists
Day 11: 100 Russian Twists! | #100AbChallenge w/ TiffyQuakewww.youtube.com
11. Leg Raises
How to Do Leg Raiseswww.youtube.com
12. Calf Raises
How to Do Calf Raiseswww.youtube.com
13. Mountain Climbers
How to Do a Mountain Climber | Boot Camp Workoutwww.youtube.com
14. Burpees
Burpee Exercise - How to do Perfect Burpeeswww.youtube.com
15. Supermans
How to Do Superman Exerciseswww.youtube.com