Knowing what is a HIIT workout and understanding the essentials and basics will help you to get the most from this great fitness training style. High-intensity interval Training (HIIT) is one of the most effective ways to boost your workout routine and see faster results.

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A HIIT plan can be customized for any fitness level, from beginners to exercise enthusiasts. This guide will walk you through the basics of HIIT so you can get started safely and effectively.
What Is HIIT?
HIIT is all about pushing your body to its limits in quick, powerful bursts of exercise, followed by short recovery periods. These workouts typically last 20 to 30 minutes, but you'll sweat, improve cardiovascular health, strengthen your endurance, and burn a lot of calories in that time.
Core Benefits of HIIT Workouts
- Efficiency. HIIT is known for its efficiency, making it an ideal workout for those with busy schedules. Research shows that 15 to 20 minutes of HIIT can burn more calories than jogging on a treadmill for an hour.
- Fat Loss and Muscle Preservation. HIIT can help you lose fat without losing muscle, especially when compared to steady-state cardio, which may not be as effective at preserving muscle mass.
- Improved Cardiovascular Health. Regular HIIT workouts can strengthen your heart and reduce the risk of heart disease and high blood pressure.
- Increased Metabolic Rate. Thanks to the 'afterburn effect' (also known as excess post-exercise oxygen consumption or EPOC), HIIT can boost your metabolism for hours after exercise.
- Flexibility and Convenience. HIIT workouts can be done anywhere and don't necessarily require equipment. You can use bodyweight exercises, making it a versatile option for fitness enthusiasts of all levels.
How to Get Started with HIIT
- Choose Your Exercises. Start with moves you're familiar with. You can include exercises like jumping jacks, jump rope, sprinting, squats, push-ups, or cycling if you have a bike.
- Structure Your Workout. A typical HIIT workout includes a 5-10 minute warm-up. Then, you should alternate several rounds of high-intensity exercises with rest or low-intensity periods. Finish your workout with a 5-10 minute cool-down.
- Use a 1:2 ratio. For beginners, a 1:2 ratio of high to low intensity is recommended, gradually moving to a 1:1 ratio as fitness improves.
- Monitor Your Intensity: The high-intensity intervals should be performed at 80% to 95% of your estimated maximum heart rate, while the recovery intervals should bring your heart rate down to 40% to 50% of your maximum.
- Stay Consistent: Consistency is key to reaping the benefits of HIIT. Aim for 2 to 3 HIIT workouts per week, allowing for adequate recovery between sessions.
Safety Tips For Beginners
While HIIT is suitable for most people, it's intense by nature, so beginners should start slowly and gradually increase intensity. It's also crucial to listen to your body and avoid overtraining, which can lead to injury.
- Start Slow. Don't dive into it at full throttle on day one. Begin with exercises you're comfortable with and gradually increase intensity and duration over time.
- Listen to Your Body. While pushing yourself is part of HIIT, it's essential to recognize your limits. If you feel any pain beyond the normal burn of working hard, stop immediately.
- Consult a Professional. If you have any underlying health conditions or are new to exercise, consult with a healthcare provider or a fitness professional before starting a HIIT program.
Common HIIT Exercises to Try
High Intensity
- Squat Jumps: Activate your quads and glutes while spiking your heart rate.
- Mountain Climbers: This total-body move will engage your core and cardio system.
- Burpees: A classic HIIT move that combines a squat, plank, and jump.
- Jump Lunges: Improve lower body strength and endurance.
- Sprinting: Whether on a treadmill or outside, sprint intervals are a great way to start.
Low Intensity (Rest Interval)
- Walking: Slowly walk in place or around the workout space to keep moving while allowing your heart rate to lower.
- Side Steps: Step side to side at a relaxed pace, keeping your body moving without high effort.
- Deep Breathing with Arm Swings: Focus on deep, controlled breathing while gently swinging your arms to encourage relaxation.
- Slow Cycling: If using a bike, pedal at a much slower, easy pace during recovery.
- Standing Stretch: Perform gentle stretches like a hamstring stretch or overhead reach to bring down your heart rate.
By incorporating HIIT into your workout routine, you can achieve significant improvements in your health, endurance, and body composition, all while enjoying the variety and challenge that HIIT workouts provide.
Don't Skip This!
See my guide for how often you should do a HIIT workout here!

Example HIIT Workout Routine For Beginners
Frequency: 2-3 times per week
Workout Duration: ~30 minutes
Equipment: None required (optional mat or resistance bands)
Warm-Up (5 minutes)
- Jumping Jacks: 30 seconds
- Arm Circles: 30 seconds
- High Knees: 30 seconds
- Torso Twists: 30 seconds
- Bodyweight Squats: 30 seconds
Repeat 2x
General HIIT Workout (20 minutes total)
Instructions: Perform 8 rounds of alternating high-intensity and low-intensity intervals. For beginners, use a 1:2 work/rest ratio.
- High-Intensity Intervals: 20 seconds
- Low-Intensity Intervals: 40 seconds
- Optional Rest between rounds: 1 minute after every 4 rounds
Example High-Intensity Exercises (Choose one per round):
- Sprinting (either on the spot or outside)
- Burpees
- Jumping Jacks
- Mountain Climbers
- Jump Squats
- Lunges (bodyweight or jump lunges)
- Cycling (stationary bike or regular bike)
- High Knees
- Push-Ups (as fast as possible)
- Box Jumps (or jump onto any sturdy surface)
Example Low-Intensity Exercises (Choose one per round):
- Walking (on the spot or around your space)
- Slow Jogging (if possible)
- Marching in Place
- Slow Cycling (for cycling-based workouts)
- Deep Breathing and Arm Swings
- Side Steps
Cool-Down (5 minutes)
- Slow Walking: 1 minute
- Forward Fold Stretch: 30 seconds
- Quad Stretch: 30 seconds each leg
- Shoulder Stretch: 30 seconds on each side
- Child's Pose: 1 minute
Example Weekly Schedule:
Day 1: Full HIIT Workout
Day 2: Rest or light cardio (e.g., walking)
Day 3: Full HIIT Workout
Day 4: Rest
Day 5: Full HIIT Workout
Day 6 & 7: Rest or optional stretching/light activity
HIIT Training Tips:
- Adjust the intensity of the exercises based on your fitness level. If needed, you can extend the low intensity periods or decrease the intensity of the high-effort exercises. The optional 1 minute rest between high and low intensity intervals can be used to build tolerance and then phased out completely.
- Stay hydrated before and after your workout.
- Consistency is key-aim for at least 2 HIIT sessions per week to see progress.
- Stretch thoroughly after your workouts to improve recovery.
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