Shorts Workout in Just 15 Minutes

You don't need fancy equipment to lose weight or work your lower body. Just grab a yoga mat or towel to get into shorts-shape with this fast workout you can do at home. Tone your butt, thighs, and calves in just 15 minutes -- and show some leg this summer.

You'll need a yoga mat (or a bath towel and a chair)

90-Degree Lift … Targets: Butt, Outer and Inner Thighs

• Stand with feet shoulder-width apart, holding one end of rolled-up mat (or chair back) in front of you with both hands.

• Bend knees slightly and hinge forward from hips, extending arms to plant vertical mat on floor a few feet in front of left foot so that back is parallel to floor.

• Keep both hands on top of mat for support and extend right leg out to side, toes pointed.

• Keeping abs engaged, back flat, and mat upright, exhale as you lift right leg out to side as high as possible. Hold for 3 seconds, then lower leg.

• Do 10 to 15 reps, holding the last leg lift for 10 seconds. Switch legs and repeat.

Heaven and Earth … Targets: Back, Abs, Butt, and Quads

• Stand with feet together, holding one end of rolled-up mat (or towel) in each hand, palms in, arms extended at shoulder level in front of you.

• Lower into a squat, then exhale slowly as you fold upper body over thighs, forming a ball: Tuck chin and bend elbows to pull mat to knees.

• Maintaining squat, uncurl upper body as you extend arms diagonally overhead.

• Return to tucked ball position. Do 15 reps

Open and Shut … Targets: Shoulders, Back, Abs, and Quads

• Stand with feet together, toes pointed out to sides, holding rolled-up mat (or towel) near ends in front of thighs with both hands.

• Extend right leg in front of you, toes on floor. Reach arms overhead, leaning back to form a diagonal line from right hand to right toes

• Bring mat to shoulder level while lifting right leg to hip level in front of you. Hold for one breath; lower leg and lift arms.

• Do 10 reps. Switch legs and repeat