Here is a daily workout that anyone can use to start building their core strength. There are to sets that should be performed in a circuit of 8.
10 Planks With Shoulder Tap
10 Jumping Lunges
** Perform set 1 in a circuit of 8 before continuing to set 2. Also, take a 2 minute break after set 1. **
10 Spider Lunges
10 Reverse Lunges
For the first set you do 10 plank shoulder taps, 10 jumping lunges and repeat that 8 times before continuing to Set 2 (remember to take two minute break). Then for Set 2, do 10 spider lunges and 10 reverse lunges and repeat this set 8 times as well.