Side lunges call for a lateral step to one side ... barbells or even the TRX. If you're looking for a high-impact variation to get your heart rate up fast, you can also try jumping lunges ...

B) Bend the leg you are balancing on while straightening your leg in the TRX. Keeping your torso upright, this allows you to lower into a lateral lunge. C) Push yourself up through your balancing ...

Push through your left foot to come back to standing. Recommended sets and reps: 3 sets of 10 to 12 reps on each side TRX curtsy lunges are worth your while. They help build muscular endurance and ...