每日六分鐘讓你練出有型的腹肌！

20*Knee ups
20*leg raises
20*Cycles
Rest 10-20 seconds
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20*Reverse crunch
20*Leg on couch crunches
20*Hip thrusts
Rest 10-20 seconds
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20*Cross crunch(10 each side)
20*Reach and touch(10 each side)
20*Cross leg reverse crunch(10 each side)

Repeat 2 to 3 times.
Tip:
To save time, do this routine just once but do each exercise to failure instead of just 20 reps.