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Crunch

30 min
 · 
8 exercises
Are you ready for an ab workout that will have you (and friends) consistently using your midsection for laundry? No equipment is needed here, just an attitude for core and core alone. Be sure to read the notes of each exercise before getting to the crunch, then, get to the crunch!
Crunches
2 sets
8 reps
45 sec rest
Warm-up sets! Aim to spend about 3 seconds per rep, go easy!
1:00 rest
Dead Bug
2 sets
10 reps
60 sec rest
Warm-up sets! Use this to fully open that core!
1:00 rest
A
Double Side Jackknifes
3 sets
20 reps
Hit 10 controlled reps per side and then move straight onto the leg pull-ins!
A
Seated Bench Leg Pull-Ins
3 sets
10 reps
60 sec rest
Fully extend and then pull your knees all the way in.
2:00 rest
B
Bicycles
3 sets
20 reps
Circuit time! Control these, allowing the full flex!
B
Inchworms
3 sets
8 reps
Walk out as far as you can!
B
Jackknife Sit-up
3 sets
8 reps
60 sec rest
Allow your arms and legs to fully extend before bringing them together at the peak!
1:00 rest
Hollow Body Rock Hold
3 sets
30 secs
30 sec rest
The final exercise of the day! Hold this steady and strong for the full 30 seconds per set!
Crunch
30 min
 · 
8 exercises
Are you ready for an ab workout that will have you (and friends) consistently using your midsection for laundry? No equipment is needed here, just an attitude for core and core alone. Be sure to read the notes of each exercise before getting to the crunch, then, get to the crunch!
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Crunches
2 sets
8 reps
45 sec rest
Set 1 of 2
Rest before next set
Get ready
321GO
Warm-up sets! Aim to spend about 3 seconds per rep, go easy!
Primary muscle group(s):
Abs
  1. Lie flat on your back with your feet flat on the ground, with your knees bent at 90 degrees. Alternatively, you can place your feet up on a bench a few inches apart with your toes turned inwards and touching.
  2. Place your hands lightly on either side of your head.
  3. Keep your elbows in  so that they are parallel to your body.
  4. Push your back down flat into the floor to isolate your abdominal muscles.
  5. Gently curl your shoulders forward and up off the floor.
  6. Continue to push down into the floor with your lower back.
  7. Raise your shoulders about four to six inches only.
  8. Hold and squeeze your abdominal muscles for a count of one.
  9. Return to the start position in a smooth movement.
Primary muscle group(s):
Obliques
Secondary:
Abs
  1. Lie on an exercise mat, with your back flat, knees bent and your feet flat on the floor slightly wider than shoulder-width apart.
  2. Fully extend your arms down the side of your body, palms facing in. This is the start position.
  3. Exhaling, crunch your torso forward and to the right until you can touch your right heel with your right hand. Hold for a count of one.
  4. Return to the starting position smooth motion, inhaling as you do so.
  5. Repeat the movement, this time to your left side.
  6. When you have completed the movement on both sides, you have done one repetition.
  7. Repeat.
Primary muscle group(s):
Abs
  1. Lay on a yoga/exercise mat or towel with your back flat on the floor and your legs straight and in the air with the soles of your feet facing up.
  2. Outstretch your arms above your chest so that they run parallel to your legs.
  3. Lifting your shoulders off the floor, reach up and touch your toes with your fingertips.
  4. Lower your shoulders back to the floor to complete one rep.
Rest
0:00
next up
Dead Bug
Next
Dead Bug
2 sets
10 reps
60 sec rest
Set 1 of 2
Rest before next set
Get ready
321GO
Warm-up sets! Use this to fully open that core!
Primary muscle group(s):
Abs
  1. Lie on your back. Extend hands straight above towards the ceiling. Bring your knees up to a 90-degree angle. Shins should be parallel to the floor. Exhale and bring hips off the floor.
  2. Begin by extending one leg forward. The foot should be hovering just above the ground.
  3. Pause then return the leg to it’s starting position while extending the opposing leg. Keep alternating legs while maintaining a tight core.
Primary muscle group(s):
Abs, Obliques
Secondary:
Glutes & Hip Flexors, Quadriceps
  1. Lie flat on an exercise mat on the floor keeping your lower back straight with no arching of your spine and with your knees bent and feet flat on the floor.
  2. Place your hands lightly on the sides of your head.
  3. Curl your torso upwards so your shoulders are slightly raised off the floor..
  4. Raise your knees until your thighs are at a right angle to the floor and your calves are parallel to the floor. This is the start position.
  5. Slowly move your legs in a pedaling action as if you are riding a bicycle.
  6. As you do so, exhale and bring your opposing elbow close to each knee by crunching to one side. Left elbow to right knee. Right elbow to left knee.
  7. After each crunch, return to the start position inhaling as you do so.
  8. Without pausing, repeat the movement to the other side.
  9. Repeat without pausing for the desired number of repetitions to each side.

Do not use your hands to pull your head and neck up during this exercise. Doing so may cause injury. Concentrate on a slow rhythmic cycle from side to side with perfect form for each repetition.

Primary muscle group(s):
Abs
Secondary:
Glutes & Hip Flexors
  1. Lie flat on an exercise mat, extending your arms straight back behind your head.
  2. Fully extend your legs also. This is the start position.
  3. Bend at your waist and at the same time, raise your legs and arms to meet in a closed jackknife position. Exhale as you do this.
  4. At this point, your legs should remain fully extended at between 35-45 degrees from the floor.
  5. Your arms should be fully extended, parallel to your legs.
  6. Your upper body should be raised off the floor.
  7. Return to the start position by lowering your arms and legs back to the floor, exhaling as you do so.
  8. Repeat.
Rest
0:00
next up
Superset A - Double Side Jackknifes, Seated Bench Leg Pull-Ins
Next
Double Side Jackknifes
A
3 sets
20 reps
Superset A • Set 1 of 3
Rest before next set
Get ready
321GO
Hit 10 controlled reps per side and then move straight onto the leg pull-ins!
Primary muscle group(s):
Abs, Obliques
Secondary:
Glutes & Hip Flexors
  • Bring yourself to the ground and lie on your left side. Be sure to stack your feet.
  • Place your left hand on your side while raising your right arm above your head so that the elbow is pointing towards the sky.
  • Focusing all of the tension and contraction in the obliques, bring your feet up while you raise your upper body. Lead with the right elbow.
  • Hold the contraction and slowly return to the starting position. Do not allow your feet or shoulder to touch the ground.
  • Repeat.
Primary muscle group(s):
Abs
Secondary:
Lower Back
  1. Lie on an exercise mat and place your feet your under something that will not move or ask a spotter hold them down for you. Keep your knees bent.
  2. Raise your upper body from the mat to form V-shape with your thighs.
  3. Keep your arms fully extended in front of your chest, clasping your hands together.This is the start position.
  4. In a smooth motion, twist your upper body to the right until you feel a stretch in your back and sides. Keep your arms parallel to the floor and exhale as you do this. Hold for a count of one and inhale.
  5. Return to the start position while breathing out.
  6. Repeat the movement,this time to the left side of your body.
  7. Repeat.

As your strength increases, you can hold a weight plate or medicine ball in front of you to increase resistance and engage other muscle groups.

Seated Bench Leg Pull-Ins
A
3 sets
10 reps
60 sec rest
Superset A • Set 1 of 3
Rest before next set
Get ready
321GO
Fully extend and then pull your knees all the way in.
Primary muscle group(s):
Abs
Secondary:
Glutes & Hip Flexors
  1. Sit on the end of a bench with your legs fully extended in front of you angled towards the floor slightly.
  2. Grip the sides of the bench for stability.
  3. Leaning back to about a 45-degree angle from the bench. This is the start position.
  4. Pull your knees in toward you at the same time moving your torso towards them. Make sure you exhale as you perform this part of the movement. Hold for a count of one.
  5. Return to the start position by extending your legs out and relaxing your abdominal muscles. Breathe in as you do this. Pause and repeat.

This exercise can also be performed on the floor by placing your arms to the sides and raising your legs off the floor slightly. slightly over the floor. More advanced athletes can use a dumbbell between their feet or attach a pulley to them for added resistance.

Primary muscle group(s):
Abs
Secondary:
Lower Back
  1. Lie flat with hands under your buttocks.
  2. Keep your knees together and pull them in towards you while moving your torso towards them (lift your head, neck and shoulders up).
  3. Hold and then slowly return to starting position.
Primary muscle group(s):
Abs
Secondary:
Lower Back
  1. Lie on your back on a mat with hands under your lower buttocks on either side to support your pelvis.
  2. Legs straight out in front of you, ankles together and feet slightly off the floor.
  3. Keep your knees straight and raise your legs by flexing the hips until they are completely flexed.
  4. Return to starting position.
Rest
0:00
next up
Circuit B - Bicycles, Inchworms, Jackknife Sit-up
Next
Bicycles
B
3 sets
20 reps
Circuit B • Set 1 of 3
Rest before next set
Get ready
321GO
Circuit time! Control these, allowing the full flex!
Primary muscle group(s):
Abs, Obliques
Secondary:
Glutes & Hip Flexors, Quadriceps
  1. Lie flat on an exercise mat on the floor keeping your lower back straight with no arching of your spine and with your knees bent and feet flat on the floor.
  2. Place your hands lightly on the sides of your head.
  3. Curl your torso upwards so your shoulders are slightly raised off the floor..
  4. Raise your knees until your thighs are at a right angle to the floor and your calves are parallel to the floor. This is the start position.
  5. Slowly move your legs in a pedaling action as if you are riding a bicycle.
  6. As you do so, exhale and bring your opposing elbow close to each knee by crunching to one side. Left elbow to right knee. Right elbow to left knee.
  7. After each crunch, return to the start position inhaling as you do so.
  8. Without pausing, repeat the movement to the other side.
  9. Repeat without pausing for the desired number of repetitions to each side.

Do not use your hands to pull your head and neck up during this exercise. Doing so may cause injury. Concentrate on a slow rhythmic cycle from side to side with perfect form for each repetition.

Primary muscle group(s):
Abs
  1. Lie on your back. Bring your knees up to a 90-degree angle. Shins should be parallel to the floor. Place your hands behind your head and bring your shoulders off the ground.
  2. Exhale and contract your abdominals. Bring your head towards your knees while moving your knees toward your chest.
  3. Pause and return to the starting position.
Primary muscle group(s):
Obliques
Secondary:
Abs
  1. Lie on an exercise mat, with your back flat, knees bent and your feet flat on the floor slightly wider than shoulder-width apart.
  2. Fully extend your arms down the side of your body, palms facing in. This is the start position.
  3. Exhaling, crunch your torso forward and to the right until you can touch your right heel with your right hand. Hold for a count of one.
  4. Return to the starting position smooth motion, inhaling as you do so.
  5. Repeat the movement, this time to your left side.
  6. When you have completed the movement on both sides, you have done one repetition.
  7. Repeat.
Primary muscle group(s):
Abs
Secondary:
Glutes & Hip Flexors
  1. Lie on a mat with your hands under your buttocks and raise your legs slightly, keeping knees straight and ankles together.
  2. Keep abs engaged and perform short kicks in an alternating fashion.
  3. Repeat as needed and then lower legs to the ground.
Inchworms
B
3 sets
8 reps
Circuit B • Set 1 of 3
Rest before next set
Get ready
321GO
Walk out as far as you can!
Primary muscle group(s):
Abs, Glutes & Hip Flexors, Lower Back
Secondary:
Biceps, Calves, Chest, Forearms, Shoulders
  1. Stand tall with your legs extended straight.
  2. Bend over from the hips and touch the floor with your palms flat on the floor.
  3. Keep your legs straight as you walk your hands as far forward as you can. Don’t let your hips sag.
  4. Take small steps and walk your feet to your hands.
  5. Continue for the desired amount of repetitions and then straighten up to the starting position.
Primary muscle group(s):
Abs
  1. Get into a face down position on the floor supporting your upper body on your forearms. Your elbows should be bent at 90 degrees.
  2. Extend your legs straight out behind you, supporting them on your toes and balls of your feet.
  3. Keep your body in a straight line by tightening your abdominal and oblique muscles.
  4. Hold for as long as possible.

For extra balance training and core strengthening, you can lift one arm or leg.

Jackknife Sit-up
B
3 sets
8 reps
60 sec rest
Circuit B • Set 1 of 3
Rest before next set
Get ready
321GO
Allow your arms and legs to fully extend before bringing them together at the peak!
Primary muscle group(s):
Abs
Secondary:
Glutes & Hip Flexors
  1. Lie flat on an exercise mat, extending your arms straight back behind your head.
  2. Fully extend your legs also. This is the start position.
  3. Bend at your waist and at the same time, raise your legs and arms to meet in a closed jackknife position. Exhale as you do this.
  4. At this point, your legs should remain fully extended at between 35-45 degrees from the floor.
  5. Your arms should be fully extended, parallel to your legs.
  6. Your upper body should be raised off the floor.
  7. Return to the start position by lowering your arms and legs back to the floor, exhaling as you do so.
  8. Repeat.
Primary muscle group(s):
Abs
  1. Lie flat on your back with your feet flat on the ground, with your knees bent at 90 degrees. Alternatively, you can place your feet up on a bench a few inches apart with your toes turned inwards and touching.
  2. Place your hands lightly on either side of your head.
  3. Keep your elbows in  so that they are parallel to your body.
  4. Push your back down flat into the floor to isolate your abdominal muscles.
  5. Gently curl your shoulders forward and up off the floor.
  6. Continue to push down into the floor with your lower back.
  7. Raise your shoulders about four to six inches only.
  8. Hold and squeeze your abdominal muscles for a count of one.
  9. Return to the start position in a smooth movement.
Primary muscle group(s):
Abs
  1. Position yourself on a decline bench so that your feet are secured by the pads. Lay back and place your arms across your chest or behind your head.
  2. Begin the movement by pulling yourself up by your abdominals. Do not force yourself up by pulling on your neck. Let your abs do all the work.
  3. Once at the top, slowly lower yourself back down. Again, focus on the abs doing all of the work. Repeat by bringing yourself back up.
Rest
0:00
next up
Hollow Body Rock Hold
Next
Hollow Body Rock Hold
3 sets
30 secs
30 sec rest
Set 1 of 3
Rest before next set
Get ready
321GO
The final exercise of the day! Hold this steady and strong for the full 30 seconds per set!
Primary muscle group(s):
Abs
  1. Lie down on a padded surface. Have your arms extended above your head with your feet straight out in front of you. Point the toes down and forward.
  2. Begin the movement by contracting the core. Simultaneously, move the hands and feet up. Keep the legs and arms straight.
  3. With your gaze straight ahead, bring your chest and legs off of the ground, focusing all of the tension in your core. Hold this position for as long as you can. Afterward, slowly return to the starting position.
Primary muscle group(s):
Abs
  1. Get into a face down position on the floor supporting your upper body on your forearms. Your elbows should be bent at 90 degrees.
  2. Extend your legs straight out behind you, supporting them on your toes and balls of your feet.
  3. Keep your body in a straight line by tightening your abdominal and oblique muscles.
  4. Hold for as long as possible.

For extra balance training and core strengthening, you can lift one arm or leg.

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  • Mon, Sep 27
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