- Lie on a mat with your hands under your buttocks and raise your legs slightly, keeping knees straight and ankles together.
- Keep abs engaged and perform short kicks in an alternating fashion.
- Repeat as needed and then lower legs to the ground.
Hard Core Abs Countdown No-Equipment Workout
28 min
·
10 exercises
Core countdown challenge — start at 100 reps and work all the way down to 10! Take rest whenever needed but complete every single rep. No equipment, just abs, willpower and sweat. 28 minutes until your core has never felt more worked.
Remember, you can rest whenever you need to. 100 reps in total!
Down into double digits! Let\'s get it!
Brace yourself! Keep that back upright!
That\'s 35 per side, get these done.
Alternate sides with every rep, almost halfway!
You\'ve crossed the halfway point, keep going!
Keep that body strong and work your way through these, alternating!
That\'s a mere 15 per side. Nothing for a warrior like you!
Walk all the way out and then all the way back in again for 1 rep.
YES! This is a core exercise, there\'s only 10 of them!
About this workout
Hard Core Abs Countdown No-Equipment Workout is a free 28 min workout plan with 10 illustrated exercises for your abs, back and legs. Follow the workout online, save it to your WorkoutLabs Fit account or download it as a printable PDF.
Tap any exercise in the workout to see the muscles worked, clear exercise illustrations and step-by-step instructions. Each workout includes sets, reps, rest times and notes so you can follow the plan without guessing.
Workout details
- Duration: 28 min
- Exercises: 10
- Training focus: Abs, back and legs
- Equipment: NO EQUIPMENT
- Level: Intermediate
- Format: Interactive workout and printable PDF
For more ready-made training plans, try WorkoutLabs Fit. You can follow visual workouts, build your own routines, manage your training calendar and track your progress. Sign up today to claim your free week.
Questions about this workout
What equipment do I need for this workout?
No equipment is needed – every exercise in this workout uses your own bodyweight, so you can do it at home or anywhere.
How long does the Hard Core Abs Countdown No-Equipment Workout take?
The full workout takes about 28 minutes, covering 10 exercises with prescribed sets, reps and rest periods. Using the built-in timers and auto-advance keeps you on pace from start to finish.
Is this workout suitable for my fitness level?
This is an intermediate workout, best suited to people with some training experience. Beginners can still follow it by reducing the weight, doing fewer sets or resting longer between sets – each exercise includes illustrated form instructions.
What muscles does this workout target?
This routine primarily works your abs, obliques, glutes & hip flexors, lower back. Tap any exercise in the workout to see a muscle diagram showing exactly which primary and secondary muscles it activates.
How often should I do this workout?
For get toned, increase endurance, aim to do this workout 2–3 times per week with at least one rest day between sessions. Progress by gradually adding weight or reps, and pair it with workouts for other muscle groups during the week.
Can I download or save this workout?
Yes – you can download this workout as a free printable PDF using the download button, or save it to a free WorkoutLabs Fit account to follow it on your phone, customize the exercises and track your progress.
Hard Core Abs Countdown No-Equipment Workout
28 min
·
10 exercises
Core countdown challenge — start at 100 reps and work all the way down to 10! Take rest whenever needed but complete every single rep. No equipment, just abs, willpower and sweat. 28 minutes until your core has never felt more worked.
Flutter Kicks
Remember, you can rest whenever you need to. 100 reps in total!
Primary muscle group(s):
Abs
Secondary:
Glutes & Hip Flexors
Alternate Heel Touches
Down into double digits! Let\'s get it!
Primary muscle group(s):
Obliques
Secondary:
Abs
- Lie on an exercise mat, with your back flat, knees bent and your feet flat on the floor slightly wider than shoulder-width apart.
- Fully extend your arms down the side of your body, palms facing in. This is the start position.
- 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.
- Return to the starting position smooth motion, inhaling as you do so.
- Repeat the movement, this time to your left side.
- When you have completed the movement on both sides, you have done one repetition.
- Repeat.
Primary muscle group(s):
Abs
- 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.
- Place your hands lightly on either side of your head.
- Keep your elbows in so that they are parallel to your body.
- Push your back down flat into the floor to isolate your abdominal muscles.
- Gently curl your shoulders forward and up off the floor.
- Continue to push down into the floor with your lower back.
- Raise your shoulders about four to six inches only.
- Hold and squeeze your abdominal muscles for a count of one.
- Return to the start position in a smooth movement.
Mountain Climbers
Brace yourself! Keep that back upright!
Primary muscle group(s):
Abs, Glutes & Hip Flexors
Secondary:
Chest, Shoulders
- Place your hands flat on the floor, shoulder width apart.
- Extend your torso and legs fully behind you with only your toes and balls of your feet touching the floor.
- Your body should be in a straight line, with your weight supported on your hands and toes only.
- Starting with either leg, flex your knee and hip at the same time to bring your knee up and under your hip. Your other leg should remain fully extended. This is the start position.
- Using an explosive movement, reverse the position of your legs, by extending the bent leg back and simultaneously flexing the straight leg until it is in the startposition.
- Continue alternating in this manner for the desire amount of time.
Bicycles
That\'s 35 per side, get these done.
Primary muscle group(s):
Abs, Obliques
Secondary:
Glutes & Hip Flexors, Quadriceps
- 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.
- Place your hands lightly on the sides of your head.
- Curl your torso upwards so your shoulders are slightly raised off the floor..
- 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.
- Slowly move your legs in a pedaling action as if you are riding a bicycle.
- 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.
- After each crunch, return to the start position inhaling as you do so.
- Without pausing, repeat the movement to the other side.
- 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
- 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.
- Exhale and contract your abdominals. Bring your head towards your knees while moving your knees toward your chest.
- Pause and return to the starting position.
Primary muscle group(s):
Obliques
Secondary:
Abs
- Lie on an exercise mat, with your back flat, knees bent and your feet flat on the floor slightly wider than shoulder-width apart.
- Fully extend your arms down the side of your body, palms facing in. This is the start position.
- 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.
- Return to the starting position smooth motion, inhaling as you do so.
- Repeat the movement, this time to your left side.
- When you have completed the movement on both sides, you have done one repetition.
- Repeat.
Primary muscle group(s):
Abs
Secondary:
Glutes & Hip Flexors
- Lie on a mat with your hands under your buttocks and raise your legs slightly, keeping knees straight and ankles together.
- Keep abs engaged and perform short kicks in an alternating fashion.
- Repeat as needed and then lower legs to the ground.
Bird Dogs
Alternate sides with every rep, almost halfway!
Primary muscle group(s):
Abs, Lower Back
Secondary:
Glutes & Hip Flexors
- Position yourself on all fours with knees underneath the hips and wrists under the shoulders.
- Engage your abs and keep your spine neutral, pulling the shoulder blades towards the hips.
- Lengthen the left leg until it is straight out and in line with your hips while simultaneously raising and straightening your right arm until it is parallel to the floor. Keep your head and shoulders aligned at all times.
- Gently lower your arm and leg back to the starting position and alternate with the other arm and leg.
Primary muscle group(s):
Glutes & Hip Flexors, Upper Back & Lower Traps
Secondary:
Lower Back, Shoulders
- Lay on a yoga/exercise mat or towel with your arms outstretched, palms down in front of you, and your legs outstretched with your soles facing up.
- Simultaneously lift your right arm and left leg off the floor.
- When you reach your flexion point, hold for a second before slowly lowering back down to the floor.
- Repeat the same movement with your left arm and right leg.
Primary muscle group(s):
Glutes & Hip Flexors
Secondary:
Abs
- Position yourself on all fours on a mat.
- Position your hands underneath your shoulders and place your knees under your hips.
- Keep your right knee bent at 90 degrees and flex the foot as you lift the knee until it is level with the hip.
- Lower the knee without touching the floor and repeat the lift.
- Once you’ve completed the reps on the right leg, switch legs.
Dead Bug
You\'ve crossed the halfway point, keep going!
Primary muscle group(s):
Abs
- 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.
- Begin by extending one leg forward. The foot should be hovering just above the ground.
- 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
- 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.
- Place your hands lightly on the sides of your head.
- Curl your torso upwards so your shoulders are slightly raised off the floor..
- 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.
- Slowly move your legs in a pedaling action as if you are riding a bicycle.
- 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.
- After each crunch, return to the start position inhaling as you do so.
- Without pausing, repeat the movement to the other side.
- 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
- Lie flat on an exercise mat, extending your arms straight back behind your head.
- Fully extend your legs also. This is the start position.
- 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.
- At this point, your legs should remain fully extended at between 35-45 degrees from the floor.
- Your arms should be fully extended, parallel to your legs.
- Your upper body should be raised off the floor.
- Return to the start position by lowering your arms and legs back to the floor, exhaling as you do so.
- Repeat.
Reverse Plank Kicks
Keep that body strong and work your way through these, alternating!
Primary muscle group(s):
Abs
Secondary:
Obliques, Shoulders
- Place your hands on the floor with your fingertips pointing towards your lower body and place your feet together.
- Elevate your body engaging your core muscles to hold yourself steady.
- Contract your lower abdominal muscles and lift your right leg off the ground to around a 45-degree angle.
- Lower your right leg back down to the ground before repeating the movement for your left leg.
Primary muscle group(s):
Abs
Secondary:
Lower Back
- Lie on your back on a mat with hands under your lower buttocks on either side to support your pelvis.
- Legs straight out in front of you, ankles together and feet slightly off the floor.
- Keep your knees straight and raise your legs by flexing the hips until they are completely flexed.
- Return to starting position.
Primary muscle group(s):
Abs
Secondary:
Glutes & Hip Flexors
- Lie on a mat with your hands under your buttocks and raise your legs slightly, keeping knees straight and ankles together.
- Keep abs engaged and perform short kicks in an alternating fashion.
- Repeat as needed and then lower legs to the ground.
Side Plank Rotations
That\'s a mere 15 per side. Nothing for a warrior like you!
Primary muscle group(s):
Abs, Obliques
- Lie on your side on an exercise mat.
- Fully extend your legs with one resting on top of the other.
- Place the hand from your top arm lightly on the side of your head.
- Bend the arm at floor level to 90 degrees. Your upper arm should be bent at the elbow, while your forearm is at 90 degrees. This is the start position.
- Lift your body off the ground and balance on your forearm and the side of your foot, while keeping your body in a straight line.
- Contract your abdominal muscles and relax your shoulders.
- Twist your body so that your elbow lowers towards the ground.
- Once the elbow is pointing to the ground, reverse the movement util you are back in the starting position.
- This completes one rep.
Inchworms
Walk all the way out and then all the way back in again for 1 rep.
Primary muscle group(s):
Abs, Glutes & Hip Flexors, Lower Back
Secondary:
Biceps, Calves, Chest, Forearms, Shoulders
- Stand tall with your legs extended straight.
- Bend over from the hips and touch the floor with your palms flat on the floor.
- Keep your legs straight as you walk your hands as far forward as you can. Don’t let your hips sag.
- Take small steps and walk your feet to your hands.
- Continue for the desired amount of repetitions and then straighten up to the starting position.
Primary muscle group(s):
Abs
- Get into a face down position on the floor supporting your upper body on your forearms. Your elbows should be bent at 90 degrees.
- Extend your legs straight out behind you, supporting them on your toes and balls of your feet.
- Keep your body in a straight line by tightening your abdominal and oblique muscles.
- Hold for as long as possible.
For extra balance training and core strengthening, you can lift one arm or leg.
Burpees
YES! This is a core exercise, there\'s only 10 of them!
Primary muscle group(s):
Abs, Glutes & Hip Flexors
Secondary:
Chest, Shoulders
- Stand straight with your feet shoulder width apart and hands by your sides. This is the start position.
- In one smooth motion, squat down and place your hands palms down on the floor in front of your feet.
- 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)
- Jump your feet out by spreading your legs, so that they are wider than hip width apart, then immediately jump them back together.
- Complete 1 full push up.
- Jump your feet forward to just behind your hands.
- Use an explosive motion to push through your heels and return to the start postion.
- Repeat.
Primary muscle group(s):
Abs, Glutes & Hip Flexors
Secondary:
Calves, Hamstrings, Quadriceps, Shoulders
- 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.
- Keeping your gaze straight, push off the ground with your feet. Bending your knees, allow your feet to come up near your hands.
- Immediately, push off the ground again with your feet, extending your legs straight behind you once again to the starting position.
Workout done!
Exercises done
of 10
Total time
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