The move: Butt Blasters with rotation

Works on: This exercise will improve lower-body strength. Muscles: lower back, buttocks, hamstrings, abdominals.

David Sprague/Los Angeles Daily News (ENLARGE)
Trainer Matt Johnson demonstrates the setup for the butt blaster with rotation. Hands are shoulder-width apart. One knee is on the floor at a 90-degree angle.
David Sprague/Los Angeles Daily News (ENLARGE)
Then the other leg goes up.
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Setup: Starting position with hands shoulder-width apart. Rest one knee on the floor at a 90-degree angle with the other leg straight back and toe touching the floor; back straight and head level with the body.

Step 1: Lift the back leg in an upward motion while rotating the toe outward.

Step 2: Hold the position for 2 seconds and return to the starting position.

Fit tip: Maintain proper body posture: hips squared, shoulders down and back, chest out, abdominals pulled in, head and eyes looking

down at the floor during the range of motion of the exercise.

Repetitions: 2-3 sets of 8-12 repetitions

Matt Johnson, founder of Johnson Fitness in the San Fernando Valley, is a certified personal trainer through the International Sports Sciences Association.

— Los Angeles Daily News