Fit into Your Skinny Jeans in 4 Weeks

Burn 225 Calories in 20 Minutes

Stay on the stairs for this intense, fat-blasting cardio routine. You'll burn approximately 225 calories while sculpting your legs, butt, and abs.

Basic Stepping

• Walk up and down the staircase, pumping arms.
• For the third minute, lunge up stairs two at a time; go down single stepping.

Side Step

• Stand with left side facing stairs.
• Step up, leading with left foot and pumping arms; climb up on an angle.
• Switch sides after 2 minutes.

Basic Stepping

• Repeat minutes 0:00-3:00.

Explosive Toe Tap

• Hop up to first stair with left foot, tapping ball of foot on step.
• Switch legs, hopping up with right foot and down with left.
• Continue, switching sides and moving as explosively as you can.

Basic Stepping

• Repeat minutes 0:00-3:00.

Mountain Climber

• Place both hands on second or third step, palms aligned under shoulders, leg extended behind you.
• Hop left knee toward chest, then bring right knee forward and left leg back.
• Keep head above heart at all times.

Basic Stepping

• Repeat minutes 0:00-3:00.

Squat Jump

• Stand in a half squat, knees bent about 45 degrees.
• Jump up, landing on first stair.
• Step down to floor; immediately squat down and jump up again.

Basic Stepping

• Repeat minutes 0:00-3:00.