The Dirty Dozen 

1. Set the bar to your waist height.
2. Lie on your back under the bar.
3. Reach up and grip the bar with an overhand grip with both hands.
4. Keeping your body straight,  pull yourself up towards the bar by pulling your elbows as far back as you can and trying to touch the bar with your chest.
5. Hold and squeeze your arm and back muscles.
6. Lower yourself back to the start position in a controlled motion.
7. Repeat.

For this exercise, you can use a Smith machine bar, an Olympic bar on a rack or any other straight, sturdy bar set to the right height. The lower the bar is to the floor, the more intense it will be due to the starting angles of your arms.

1. Go into a standard push-up position, supporting your weight on your toes and hands. Your back is flat and your core is tight. Your hands should be directly beneath your shoulders.
2. Lower yourself into a push-up. Focus the tension in the chest.
3. As you descend, bring your right leg up and to the side. Try to touch the knee to the elbow. As you push yourself back up, return the leg to its original position. Repeat with the other side.

1. Get into position by placing your hands flat on the floor, directly below your shoulders.
2. Extend your legs out behind you, with only your toes and balls of your feet touching the floor.
3. Hold your body up and keep your back straight by tightening your abdominal muscles.
4. Your neck and head should be bent slightly back.
5. Lower your chest towards the ground by bending your elbows until your chest is just above the ground or you feel a stretching of your chest and shoulders. Hold for a count of one.
6. Press upwards from your chest and shoulders, straightening your arms as you return to the starting position. Hold for a count of one.
7. Repeat.

1. Get yourself in the push-up position with your hands flat on the ground just wider than shoulder width apart.
2. Ensuring that there is a straight line running from your neck to your heels, lift your right leg off the ground.
3. Keeping your right leg elevated, bend your elbows and lower your body towards the ground until your chest is about two inches away from the floor.
4. Push your body back to the starting position and then lower your right leg to the ground.
5. Repeat the motion with the left leg elevated.

1. Stand with feet hip width apart and grasp a barbell with an overhand grip.
2. Make sure your hands are placed slightly wider than shoulder-width.
3. Bring the bar to chest height and slightly retract your head back.
4. Bend the knees, hips and ankles to dip slightly.
5. Use your legs to explosively drive your body upwards and drive the barbell off your shoulders, extending your arms overhead.
6. Lower the bar to your shoulders and repeat.

1. Stand in front of a sturdy bench, box or other flat non slip surface that’s high enough that you must use that you have to use a lot of effort in order to jump up on top of it.
2. Stand with your feet shoulder width apart.
3. Bend your knees as if crouching or performing a squat.
4. In an explosive movement, push through your feet to jump up onto the landing area.
5. Make a soft landing by bending your knees as your feet touch down.You should land on both feet simultaneously.
6. Step down and repeat.

If you have difficulty landing in a balanced way, the platform may be too high. A variation for advanced athletes is to jump down backwards from the box. Only try this once you have mastered the basic form.

1. Stand with your feet hip width apart. Your toes should be pointing straight ahead or only slightly outward.
2. Cross your arms in front of your body, place your hands behind your head or at the sides of your head.
3. Keep your weight on your heels and bend your knees while lowering your hips towards the ground as if you are sitting down on a chair.
4. Keep your back straight at all times.
5. Continue until you feel a slight stretch in your quadriceps. Do not let your knees extend out beyond the level of your toes.
6. Pause for a count of one.
7. In an explosive movement, drive down through your heels pushing yourself up of the floor with your quads.
8. At the same time extend our arms out above you.
9. Land with your knees slightly bent to absorb the impact.
10. Repeat

1. Begin standing tall with a tight core. Your chest will be up and your gaze will be straight ahead. Bend at the knees and drive your hips back as you lower yourself into a squat position.
2. Launch yourself up while simultaneously twisting to the other side. Your body will perform a 180 degree turn in midair.
3. Land with bent knees and immediately go right into another jump squat, turning to the starting position. Repeat this alternating pattern.

1. Begin by standing tall with a straight back and tight core. Slightly bend the knees and push the hips back. Bring the hands up and keep the chest up. Feet should be shoulder-width apart.
2. Jump and launch yourself forward. Swing your arms back and use the momentum.
3. Land in a squat position. Knees are bent and hips are back. Return to starting position and repeat.

1. Place your feet at shoulder width apart while keeping your chest up and your abdominals braced.
2. Begin the movement by swinging your arms up towards your shoulders. At the same time, bend at the knees and drive your hips back like you’re sitting in a chair.
3. Once your upper thighs are parallel with the ground, pause, then drive your hips forward to return to the starting position.

1. Begin jogging in place, lifting the knees as high as you can.
2. Try to lift your knees up to hip level but keep the core tight to support your back.
3. For a more advanced move, hold your hands straight at hip level and try to touch the knees to your hands as you lift them.
4. Bring the knees towards your hands instead of reaching the hands to the knees!

1. Stand with your feet together, arms fully extended with your hands by your sides. This is the start position.
2. Bend your knees slightly then straighten and push through the balls of your feet while straightening your your knees to jump up spreading your legs to wider than hip width apart.
3. As you do so, raise both arms out and up in a smooth arc until your hands meet above your head.
4. As you return to the ground, bring your feet together and your hands back to your sides with your arms fully extended.
5. Continue without pause for the desired amount of time or repetitions.

This exercise can be performed as a timed exercise, completing as many reps as possible in a set time or, in sets with a fixed number of repetitions per set. To increase intensity, bend your arms slightly as you raise them to engage your biceps and triceps and squeezing them during each rep.

1. Standing tall with a tight core and flat back, you will begin the dynamic stretching exercise as if you were running in place. Keep the knees slightly bent at all times.Start slowly and work up to a faster speed.
2. Bring your left foot back and all the way up to the glutes. Return your left foot to the ground and repeat on the other side.
3. Continue this back and forth motion, keeping your arms swinging in motion.

1. Standing tall with a tight core and flat back, you will begin the dynamic stretching exercise as if you were running in place. Keep the knees slightly bent at all times.Start slowly and work up to a faster speed.
2. Bring your left foot back and all the way up to the glutes. Return your left foot to the ground and repeat on the other side.
3. Continue this back and forth motion, keeping your arms swinging in motion.

1. Begin jogging in place, lifting the knees as high as you can.
2. Try to lift your knees up to hip level but keep the core tight to support your back.
3. For a more advanced move, hold your hands straight at hip level and try to touch the knees to your hands as you lift them.
4. Bring the knees towards your hands instead of reaching the hands to the knees!

1. Stand with your feet together, arms fully extended with your hands by your sides. This is the start position.
2. Bend your knees slightly then straighten and push through the balls of your feet while straightening your your knees to jump up spreading your legs to wider than hip width apart.
3. As you do so, raise both arms out and up in a smooth arc until your hands meet above your head.
4. As you return to the ground, bring your feet together and your hands back to your sides with your arms fully extended.
5. Continue without pause for the desired amount of time or repetitions.

This exercise can be performed as a timed exercise, completing as many reps as possible in a set time or, in sets with a fixed number of repetitions per set. To increase intensity, bend your arms slightly as you raise them to engage your biceps and triceps and squeezing them during each rep.

1. Place an appropriate amount of weight on a barbell in a squat rack. Position your hands in an overhand grip outside of shoulder-width on the barbell. Before beginning, make sure that your core is tight and your chest is up.
2. Push the barbell straight above your head, locking out your elbows. Once you feel stabilized, slowly bend the knees and drive back your hips.
3. Once your upper thighs come parallel with the ground, slowly push back up, returning to the starting position.

1. Place a firm grip on two appropriately weighted dumbbells. Before driving the dumbbells above your head, make sure that your core is tight and your chest is up.
2. Push the dumbbells straight above your head, locking out your elbows.
3. Once you feel stabilized, slowly bend the knees and drive your hips backwards, maintaining a tight, solid core as you do so.
4. Once your upper thighs become parallel with the ground, slowly push back up, returning to the starting position. Be sure to keep those dumbbells fixed overhead throughout the entire movement.

This, like all overhead weighted movements, should be performed in a controlled environment. Be sure to check the weight before attempting, if working with an adjustable dumbbell ensure all is locked tightly into place.

1. Place a firm grip on two water bottles. Before driving the water bottles above your head, make sure that your core is tight and your chest is up.
2. Push the water bottles straight above your head, locking out your elbows.
3. Once you feel stabilized, slowly bend the knees and drive your hips backwards, maintaining a tight, solid core as you do so.
4. Once your upper thighs become parallel with the ground, slowly push back up, returning to the starting position. Be sure to keep those water bottles fixed overhead throughout the entire movement.

This, like all overhead weighted movements, should be performed in a controlled environment. Be sure to check the weight before attempting.

1. Stand straight with your feet shoulder width apart and hands by your sides. This is the start position.
2. In one smooth motion, squat down and place your hands palms down on the floor in front of your feet.
3. Lean forward, so your weight is on your hands, at the same time jumping your legs out behind you until they are fully extended. Your body should form a straight line with your weight supported on your toes and the balls of your feet and your arms fully extended. (In a push up position)
4. Jump your feet out by spreading your legs, so that they are wider than hip width apart, then immediately jump them back together.
5. Complete 1 full push up.
6. Jump your feet forward to just behind your hands.
7. Use an explosive motion to push through your heels and return to the start postion.
8. Repeat.

1. Lie face down on a padded surface. Place your hands beneath your shoulders and make sure your feet are extended straight behind you. Push yourself up into a classical Push-Up position. Keep your hips are slightly elevated. Tighten your core.
2. Keeping your gaze straight, push off the ground with your feet. Bending your knees, allow your feet to come up near your hands.
3. Immediately, push off the ground again with your feet, extending your legs straight behind you once again to the starting position.

1. Kneel with feet together and toes tucked under. Bend forward placing your arms on the sides of a medicine ball, bending forward until you are in the plank position with legs straight out behind you.
2. Lower your chest towards the ball, keeping the torso rigid and body in line. Lower down until your chest touches the ball, keeping your elbows in and slightly flared outwards.
3. Press upwards to the starting plank position.

1. Position yourself on all fours on a mat.
2. Place your hands in front of you and shoulder-width apart.
3. Now bring your hands in towards the center until the tips of your index fingers and tips of your thumbs are touching. This creates a diamond shape between your hands. Your elbows and wrists should be in line with your chest.
4. With your fingers facing forwards, lift off your knees so that your body forms a straight line and just your hands and toes touch the floor.
5. Keep you pelvis straight and abs engaged and aim to keep a straight back throughout the movement.
6. Bend your elbows and lower your body towards the floor, aiming to touch your chest to the top of your hands. Pause briefly.
7. Return to the starting position by extending your elbows and lifting your body off the floor again.

1. Get into position by placing your hands flat on the floor, directly below your shoulders.
2. Extend your legs out behind you, with only your toes and balls of your feet touching the floor.
3. Hold your body up and keep your back straight by tightening your abdominal muscles.
4. Your neck and head should be bent slightly back.
5. Lower your chest towards the ground by bending your elbows until your chest is just above the ground or you feel a stretching of your chest and shoulders. Hold for a count of one.
6. Press upwards from your chest and shoulders, straightening your arms as you return to the starting position. Hold for a count of one.
7. Repeat.

1. Holding a Medicine Ball, stand with your right side next to a wall. Step out sideways and away from the wall approximately 5 to 6 feet. Keep your feet at shoulder width. Brace your core and bend slightly at the knees.
2. In one fluid motion, twist your body up and to the side, releasing the medicine ball against the wall. Be sure not to move your feet.
3. Catch the medicine ball as it bounces back and return to the starting position in another smooth, fluid motion. Keep the core engaged throughout the exercise.

1. Adjust the pulley handle to chest height. Step out and away from the weight. Feet are shoulder-width. Stand with a tight core and flat back. Push the handle out in front of you. Keep elbows slightly bent.
2. Twist from the hips. Move arms across the body, achieving a full extension.
3. Return to starting position.
4. Once complete, do the same amount of sets/reps on the other side.

• With slightly bent knees and a tight core, hold a medicine ball in front of you at hip-level.
• Begin by raising the medicine ball upward above your head with both hands.
• Keeping your elbows bent, forcefully throw the ball at the ground.
• Catch the ball as it bounces back up, and bring it back up above your head.
• Repeat this slam and catch movement.

1. Stand with your feet slightly wider than shoulder width apart and hold the medicine ball just below your chest.
2. Lift the ball high above your head, taking care to maintain a firm hold.  
3. Bring the ball down to a slam on the right side of your body.
4. Squat to pick up the ball, being sure to bend your legs, and bring it back to the starting position.
5. Repeat the movement on the opposite side.

1. Lie with your upper back perpendicular on a bench.
2. Bend your knees and place your feet flat on the floor and flex your hips so that your body is in line.
3. Grasp a dumbbell between your hands under the inner plate, palms facing up.
4. Position the weight over your chest with your elbows slightly bent.
5. Keep your elbows bent as you lower the dumbbell over your head until your upper arms are in line with your torso.
6. To return to the starting position, pull the dumbbell up and over your chest.

Try to avoid raising your hips and maintain a small bend in your elbows throughout the movement.