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Sub-45 Minute HIIT! Lower

41 min
 · 
9 exercises
With today's workout we are going to stick with the 2:1 ratio, meaning you should work for twice the amount of time that you rest! Ouch! Get through every exercise and then pour yourself a good ol' cup of tea.  
Jumping Jacks
2 sets
30 secs
15 sec rest
Warm-up - We'll start out today nice and easy!
1:00 rest
Bodyweight Calf Raises
3 sets
40 secs
20 sec rest
HIIT 1 - Continuously perform this for 40 seconds, and then take 20 seconds of rest.
1:00 rest
Donkey Kicks
3 sets
40 secs
20 sec rest
HIIT 2 - Alternate your legs through each set!
1:00 rest
Alternating Curtsy Lunges
4 sets
40 secs
20 sec rest
HIIT 3 - This is going to burn, but it's all worth it! Alternate legs as you go.
1:00 rest
Air Squats
4 sets
40 secs
20 sec rest
HIIT 4 - This workout wouldn't be complete without some squats, would it? Get nice and low.
1:00 rest
Jump rope
4 sets
40 secs
20 sec rest
HIIT 5 - Your final HIIT work for today. No rope? No problem, imagine you have one and jump!
1:00 rest
Lying Leg Raises
3 sets
12 reps
30 sec rest
Keep those feet off the ground!
1:00 rest
Crunches
3 sets
12 reps
30 sec rest
Get those shoulders off the ground!
1:00 rest
Flutter Kicks
3 sets
30 reps
30 sec rest
Flutter each leg 15 times before resting.
Sub-45 Minute HIIT! Lower
41 min
 · 
9 exercises
With today's workout we are going to stick with the 2:1 ratio, meaning you should work for twice the amount of time that you rest! Ouch! Get through every exercise and then pour yourself a good ol' cup of tea.  
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Jumping Jacks
2 sets
30 secs
15 sec rest
Set 1 of 2
Rest before next set
Get ready
321GO
Warm-up - We'll start out today nice and easy!
Primary muscle group(s):
Glutes & Hip Flexors, Quadriceps
Secondary:
Abs, Calves, Hamstrings, Shoulders
  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.

Primary muscle group(s):
Calves
  • Stand up straight with your hands at your sides.
  • Keep your back straight and your core tight.
  • Forcefully press off the ground with the balls of both feet.
  • Launch into the air and land softly on the balls of your feet.
  • Focus the tension in the calf muscles, NOT the quadriceps.
  • Repeat.
Primary muscle group(s):
Glutes & Hip Flexors, Quadriceps
Secondary:
Abs, Calves, Hamstrings
  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
Primary muscle group(s):
Calves, Glutes & Hip Flexors
Secondary:
Abs, Hamstrings, Quadriceps
  1. Hold one rope end in each hand out to your sides with the middle of the rope behind you.
  2. Keep the rope ends even with your hips.
  3. Rotate your wrists to swing the rope up over your head.
  4. As the rope  swings down in front of and towards you, jump over the rope with both feet.
  5. Continue rotating your wrists to swing the rope behind you, back up over your head to repeat.

You can vary the speed, use one leg,alternating legs and even the direction you swing the rope in to increase your stamina and coordination.

Rest
0:00
next up
Bodyweight Calf Raises
Next
Bodyweight Calf Raises
3 sets
40 secs
20 sec rest
Set 1 of 3
Rest before next set
Get ready
321GO
HIIT 1 - Continuously perform this for 40 seconds, and then take 20 seconds of rest.
Primary muscle group(s):
Calves
  • Stand straight with a tight core and flat back.
  • Keep your hands at your sides or hold on to a wall for balance.
  • Bring your feet to be hip distance apart.
  • Focusing the tension in your calf muscles, slowly raise yourself up on to the balls of your feet.
  • Pause at the top of the movement and slowly return to the starting position.
Primary muscle group(s):
Calves
  • Stand up straight with your hands at your sides.
  • Keep your back straight and your core tight.
  • Forcefully press off the ground with the balls of both feet.
  • Launch into the air and land softly on the balls of your feet.
  • Focus the tension in the calf muscles, NOT the quadriceps.
  • Repeat.
Primary muscle group(s):
Glutes & Hip Flexors, Quadriceps
Secondary:
Abs, Calves, Hamstrings, Shoulders
  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.

Rest
0:00
next up
Donkey Kicks
Next
Donkey Kicks
3 sets
40 secs
20 sec rest
Set 1 of 3
Rest before next set
Get ready
321GO
HIIT 2 - Alternate your legs through each set!
Primary muscle group(s):
Glutes & Hip Flexors
Secondary:
Abs
  1. Position yourself on all fours on a mat.
  2. Position your hands underneath your shoulders and place your knees under your hips.
  3. Keep your right knee bent at 90 degrees and flex the foot as you lift the knee until it is level with the hip.
  4. Lower the knee without touching the floor and repeat the lift.
  5. Once you’ve completed the reps on the right leg, switch legs.
Primary muscle group(s):
Abs, Lower Back
Secondary:
Glutes & Hip Flexors
  1. Position yourself on all fours with knees underneath the hips and wrists under the shoulders.
  2. Engage your abs and keep your spine neutral, pulling the shoulder blades towards the hips.
  3. 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.
  4. Gently lower your arm and leg back to the starting position and alternate with the other arm and leg.
Primary muscle group(s):
Abs
Secondary:
Glutes & Hip Flexors
  1. Lie face down on a flat bench with your hips on the edge of the bench. Fully extend your legs and raise your feet up from the floor so that they are in line with your body .
  2. Place your arms on top of the bench, using them to hold on to the front edge of the bench for stability.
  3. Squeeze your glutes and hamstrings and straighten your legs until they are level with your hips. This is the start position.
  4. Start the exercise by raising you left leg higher than your right leg.
  5. Then lower the left leg as you lift the right leg and so on.
  6. Alternate in this manner  until you have done all repetitions for each leg.

When performing this exercise, breathe normally. As your strength increases, you can add ankle weights.

Rest
0:00
next up
Alternating Curtsy Lunges
Next
Alternating Curtsy Lunges
4 sets
40 secs
20 sec rest
Set 1 of 4
Rest before next set
Get ready
321GO
HIIT 3 - This is going to burn, but it's all worth it! Alternate legs as you go.
Primary muscle group(s):
Hamstrings, Quadriceps
Secondary:
Calves, Glutes & Hip Flexors
  1. Standing with a braced core and flat back, bring your hands together at chest height. Position your feet to be at hip-width.
  2. Beginning with the right foot, step backward and across your left foot. Simultaneously, bend the left knee and drop it towards the ground.
  3. Stop when the front right knee is parallel with the ground. Push off the ground with your right foot and return to the starting position.
Primary muscle group(s):
Quadriceps
Secondary:
Calves, Glutes & Hip Flexors
  1. Stand straight – that’s the starting position. Step forward with your left leg and slowly lower your body until your front knee is bent at least 90 degrees, while your rear knee is just off the floor. Keep your torso upright the entire time. Look forward.
  2. Pause, then push off your left foot off the floor and return to the starting position as quickly as you can.
  3. On your next rep, step forward with your right leg. Continue to alternate back and forth—doing one rep with your left, then one rep with your right.
Primary muscle group(s):
Glutes & Hip Flexors, Hamstrings, Quadriceps
Secondary:
Abs, Calves
  1. Stand tall with a tight core and make sure your feet are shoulder-width apart. Bring your hands together for balance.
  2. Step directly to the left, leaving your right foot in place. Bend the left knee and pause once the upper left thigh is parallel to the ground. Your right leg should be completely straight.
  3. Contract the hamstring muscle then push off the ground to return to the starting position. Repeat on the right side. Alternate this movement.
Primary muscle group(s):
Quadriceps
Secondary:
Abs, Hamstrings
  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.
Rest
0:00
next up
Air Squats
Next
Air Squats
4 sets
40 secs
20 sec rest
Set 1 of 4
Rest before next set
Get ready
321GO
HIIT 4 - This workout wouldn't be complete without some squats, would it? Get nice and low.
Primary muscle group(s):
Quadriceps
Secondary:
Abs, Hamstrings
  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.
Primary muscle group(s):
Glutes & Hip Flexors, Quadriceps
Secondary:
Abs, Calves, Hamstrings
  1. Stand tall against a wall with your head and back touching the wall.
  2. Position your feet so that they are shoulder-width apart and a few inches away from the wall.
  3. Rest your arms at your sides.
  4. Bend your knees and lower into a squat position until your thighs are parallel to the floor and hold the position
  5. Return to starting position by straightening your knees and standing tall again.
Primary muscle group(s):
Quadriceps
Secondary:
Calves, Glutes & Hip Flexors
  1. Stand straight – that’s the starting position. Step forward with your left leg and slowly lower your body until your front knee is bent at least 90 degrees, while your rear knee is just off the floor. Keep your torso upright the entire time. Look forward.
  2. Pause, then push off your left foot off the floor and return to the starting position as quickly as you can.
  3. On your next rep, step forward with your right leg. Continue to alternate back and forth—doing one rep with your left, then one rep with your right.
Rest
0:00
next up
Jump rope
Next
Jump rope
4 sets
40 secs
20 sec rest
Set 1 of 4
Rest before next set
Get ready
321GO
HIIT 5 - Your final HIIT work for today. No rope? No problem, imagine you have one and jump!
Primary muscle group(s):
Calves, Glutes & Hip Flexors
Secondary:
Abs, Hamstrings, Quadriceps
  1. Hold one rope end in each hand out to your sides with the middle of the rope behind you.
  2. Keep the rope ends even with your hips.
  3. Rotate your wrists to swing the rope up over your head.
  4. As the rope  swings down in front of and towards you, jump over the rope with both feet.
  5. Continue rotating your wrists to swing the rope behind you, back up over your head to repeat.

You can vary the speed, use one leg,alternating legs and even the direction you swing the rope in to increase your stamina and coordination.

Primary muscle group(s):
Glutes & Hip Flexors, Quadriceps
Secondary:
Abs, Calves, Hamstrings, Shoulders
  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.

Primary muscle group(s):
Calves
  • Stand up straight with your hands at your sides.
  • Keep your back straight and your core tight.
  • Forcefully press off the ground with the balls of both feet.
  • Launch into the air and land softly on the balls of your feet.
  • Focus the tension in the calf muscles, NOT the quadriceps.
  • Repeat.
Rest
0:00
next up
Lying Leg Raises
Next
Lying Leg Raises
3 sets
12 reps
30 sec rest
Set 1 of 3
Rest before next set
Get ready
321GO
Keep those feet off the ground!
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.
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.
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.
Rest
0:00
next up
Crunches
Next
Crunches
3 sets
12 reps
30 sec rest
Set 1 of 3
Rest before next set
Get ready
321GO
Get those shoulders off the ground!
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
Flutter Kicks
Next
Flutter Kicks
3 sets
30 reps
30 sec rest
Set 1 of 3
Rest before next set
Get ready
321GO
Flutter each leg 15 times before resting.
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.
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.
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.
Workout done!
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