Here is another technique video from my other blog http://sandbagfitness.blogspot.com/
Using these exercises try the following workouts:
30 Squats, 25 Sit Ups, 20 Box Jumps, 15 Press Ups, 10 Chin Ups. Repeat for 3 rounds.
1 minute on each exercise, rest 1 minute between each set of five exercises. Perform max repetitions and repeat for three rounds.
Depth Press Ups
Handstand Press Ups
Knees to Elbows