I'm a tad confused.. do you train Muay Thai in a gym with a coach or do you do cardio kickboxing learnt from a dvd.. or both?
If its only from the dvd you shouldnt go changing the combos as its for cardio, and i doubt your even throwing the basics in correct form without a coach.
Either way, heres a few combos to practice to mix it up abit
(not sure what you know so far, so i'll just throw some out there)
Assuming your righthanded:
Left jab, right cross, left hook to body, right hook to head.
Left jab, right cross, left jab, right cross, left hook to head.
Left jab, step to the left offcenter - left hook to head folled by a quick overhand right (not sure how well this works in conventional stance, i'm southpaw.)
One of my favorites: Left jab, left jab, quick right knee at solar plexus level, quick step back - roundhouse to whatevers open (hopefully the head if your knee landed).
Left jab, Right hook to body while stepping forward, left and right upercut to body, right hook to head.
My heavybag workout:
Warm-Up:
Five minutes on bike.
Five minutes of joint rotations for legs waist, arms and shoulders. With these, form circles varying from large to small, at each joint.
Light stretching of all major muscle groups.
Part One: Drilling The Basic Punches.
40 right (or left) cross punches.
40 left (or right) jab punches.
40 left upper cuts.
40 right uppercuts.
40 left hooks.
40 right hooks.
Note:
Remember to perform each punch with maximum intensity. Do not speed up the movement to fast, at the expense of good form.
Part Two: Combinations.
Complete five sets of each of the following combinations.
Left uppercut, right cross, left hook.
Left (or right) jab, right (or left) cross, left (or right) jab.
Right cross (or left), left hook (or right), right cross (or left).
Left (or right) jab, right (or left) cross, left (or right) jab, right (or left) cross, left (or right) hook.
Part Three: 10 Rounds Of Boxing.
Each round should be three-minutes, with one minutes rest between rounds.
Cool down:
Five minutes on bike.
Light stretching.