
This is largely because HIIT challenges both your cardiorespiratory fitness and your musculoskeletal fitness, bringing about improvements to your heart, lungs, muscles and nervous system.
For a heart raiser try this workout 40 seconds on 20 seconds rest:
1. Jump squat with pulse walk
- Begin standing tall with your feet shoulder width apart.
- Jump forward and land in a squat position.
- Holding the squat, walk backward to the start position, creating a little pulse as you do so then repeat
2. Prisoner Walk
- Feet shoulder width apart with your hands behind your head.
- Drop into a squat position.
- One leg at a time, drop your knees to the floor.
- Return to the standing squat and hold the squat while repeating the move
4. Side Lunges
- Start by standing tall with your feet parallel and shoulder-width apart.
- Take a big step to the side and keep your torso as upright as possible, lower until the knee of your leading leg is bent at around 90°, keeping your trailing leg straight.
- Push back up and return to the starting position before repeating the opposite side.
5. High Knees
- Stand with your feet hip-width apart.
- Lift up your left knee to your chest.
- Switch to lift your right knee to your chest.
- Continue the movement, alternating legs and moving at a sprinting or running pace.
6. Jump Squats
- Stand with feet shoulder width and knees slightly bent.
- Bend your knees and sit into a full squat position.
- Engage using the quads, glutes, and hamstrings, extend through the legs.
- Jump upwards off the floor.
- Land softly into a squat and repeat the next jump.
7. Shadow Boxing
- Begin holding a stance with one foot forward
- Begin punching upwards towards the sky
- Remain on your toes throughout
Regression:
8. Jumping Jacks
- Stand upright with your legs together, arms at your sides.
- Bend your knees slightly, and jump into the air.
- As you jump, spread your legs to be just wider than shoulder-width apart.
- Stretch your arms out and over your head.
- Jump back to the starting position and repeat
9. Chest to floor burpees
-
Begin standing tall with your feet shoulder width apart.
-
Hinge down at the hip and place your hands on the floor.
-
Kick your feet out to create a high press up position.
-
Drop the chest to the floor and return up to full press up hold and jump up.