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Abdominal Crunches

Abdominal Crunches - The Most Common Abs Exercises

If you are looking to flatten your stomach and get a great set of abs, then check out these abdominal exercises.  These are some of the more common stomach exercises and will work both the upper and lower abdominal muscles, or your rectus abdominis muscle.  

abdominal double crunch exerciseThe rectus abdominis is often referred to as your six pack abs and most people think of this as separate muscles with upper abs and lower ab muscles.  But in fact, this is actually one long muscle.  So when performing abdominal crunches, you will be working the entire muscle but with a focus on the upper or lower area of this muscle.



List of Abdominal Crunches

To see the abdominal crunches exercise instructions and videos, just scroll down the page or select from the list below to go directly to that exercise.


Abdominal Exercises Crunches #1 - Traditional Crunch

The traditional crunch works your rectus abdominus muscle.  It is one of the most common abs exercises and is believed by many to be one of the most effective.  However, you may want to read the results of one study on the best ab exercises before you make up your mind on which is the best abdominal exercise.

How to do the Traditional Crunch

  1. Lying flat on the floor, make sure your lower back is pressed to the floor and is not arched.
  2. Place your hands loosely behind or beside your head.
  3. Bend your knees and place your feet flat on the floor.
  4. Exhale while you curl your body forward off the floor making sure your shoulder blades come off the floor.
  5. Hold for one second and then slowly return to starting position, inhaling while you return to the floor.
  6. Repeat this for 8 to 15 repetitions.
Note:  If you have not done many abdominal exercises for awhile, the traditional crunch is a great exercise to start with to help strengthen your core and back before moving on to more challening ab exercises.

Click on the video to watch a demonstration of the traditional crunch ab exercise.




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Abdominal Exercises Crunches #2 - Reverse Crunch

The reverse crunch is very effective for the lower abdominal muscles and helps get you fab abs.  You can do this exercise with bent knees, legs crossed or legs straight.  

How to do the Reverse Crunch

  1. Lie flat on the floor and place your hands beside you.
  2. Bend your knees at a 90 degree angle.
  3. Using your ab muscles and not momentum, curl your hips off the floor and reach your legs towards the ceiling, bringing your knees towards your chest.
  4. Slowly return to the starting position.
  5. Remember to breathe during the exercise, exhaling as you lift your hips and inhale as you return to starting position.
  6. Repeat for 8 to 15 repetitions.
Note: If you feel pressure or pain in your lower back, place your hands under your hips for added support to your spine.

This exercise video below explains the reverse crunch and gives you pointers to make sure you are using your ab muscles and not momentum to do this ab exercise.

How to do a Reverse Crunch -- powered by ExpertVillage.com


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Abdominal Exercise Crunches #3 - Vertical Leg Crunch

The vertical leg crunch is a slight variation of the traditional crunch.  With a slight variation you can do a full vertical leg crunch which is explained below. This six pack exercise was rated number 4 in a study of some of the most effective ab exercises.

truth about abs banner How to do the Vertical Leg Crunch

  1. Lie on the floor with back flat to the floor and place your hands beside you or loosely behind your head.
  2. Extend your legs straight up, knees bent slight and crossed.
  3. Using your ab muscles, contract the abs while you lift your upper body as if reaching your chest to your feet.
  4. Keep your legs in a fixed position and at the top of the move, pull in your belly button towards your spine.
  5. To do this move as a full vertical leg crunch, place your hands loosely by head.  When lifting your upper body, also reach your legs to the ceiling, creating a curve or u-shape with your torso.
  6. Repeat this move for 8 to 15 repititions.
Note:  If you feel pressure or pain in your lower back, just do the vertical leg crunch versus to full vertical crunch and place your hands under your hips for added back support.  You can also bend your knees at a 90 degree angle to do this ab exercise. 

The exercise video below demonstrates this exercise with bent knees and arms across the chest.  This is a slight variation to the instructions above.



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Abdominal Exercises Crunches #4 - Long Arm Crunch

This is yet another variation of the traditional crunch.  

How to do the Long Arm Crunch

  1. Lie on the floor with back flat to the floor, knees bent and feet on the floor.  You can also keep your legs straight on the ground, however bending your knees can provide more support to the lower back.
  2. Place your hands straight out behind your head.  Clasp your hands together, keeping your arms next to your ears.
  3. Using your ab muscles and not momentum, lift your shoulder blades up off the floor keeping your arms next to your ears.
  4. Hold for one second at the top of the move and slowly return to starting position.
  5. Repeat for 8 to 15 reps.
Note:  If you feel pressure or pain in your neck, just take one hand and place it behind your head for additional support, keeping one arm straight.

Click on the exercise video below to see a demonstration of this exercise.


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Abdominal Exercises Crunches Using Stability Ball

Here are some videos demonstrating how to do variations of a crunch using an exercise stability ball.  Just click on the video you want to watch.

This will open in a new window.  To see all the videos, just click the next and previous buttons once the video launches in the new window.




Advantages and Disadvantages of Abdominal Crunches

Some of the advantages to doing abdominal  crunches is it requires no special abdominal exercise equipment.  All you need is a spot on the floor and an exercise mat.  

Another great advantage to abdominal exercise crunches is there is less stress on the lower back than some more advanced or challenging abdominal exercises.



Some of the disadvantages of doing abdominal crunches is the limited range of motion.  The crunch requires very little movement of the spine and stomach, which limits the area of muscle worked.  Another disadvantage to crunches is that it requires no additional resistance in the form of weight or an exercise ball.  
Therefore you can outgrow or plateau your strength training on these abdominal muscles.  If this happens, try using an exercise ball or add some weights to your crunches.

For more abdominal crunches, check out these top 3 ab exercises.


For a full list of all free exercise videos on this site, visit the fitness video page.



 
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