High-Intensity Interval Training (HIIT)
High-Intensity Interval Training (HIIT) alternates short, intense activity bursts with brief rest or low-intensity periods. This approach maximizes effort in a short time, achieving results comparable to longer cardio sessions.
Unlike steady-state cardio, HIIT spikes your heart rate, boosting calorie burn and improving fitness even post-workout. Typical HIIT exercises—like sprints, burpees, or cycling—are performed for 20-60 seconds at near-maximum effort, followed by brief recovery, repeating for 10-30 minutes.
HIIT creates an "afterburn" effect (EPOC), where the body burns more calories post-exercise to recover, enhancing fat loss and metabolism. Engaging both aerobic and anaerobic systems, HIIT improves cardiovascular health, endurance, and strength.
Basic HIIT Workout
Repeat the circuit 3-5 times, with 1-2 minutes of rest between rounds.
- 20 seconds of jumping jacks, 10 seconds rest
- 20 seconds of burpees, 10 seconds rest
- 20 seconds of high knees, 10 seconds rest
- 20 seconds of jump squats, 10 seconds rest
- 20 seconds of mountain climbers, 10 seconds rest
7 Minutes HIIT Workout
This consists of 12 exercises, each performed for 30 seconds with a 10 second break between sets. You can find the 7 Minute Workout pretty much anywhere, here it is on YouTube and the New York Times website.
- Jumping Jacks
- Wall Sits
- Pushups
- Abdominal Crunches
- Step Ups
- Squats
- Triceps Dips on Chair
- Plank
- High Knees Running in Place
- Lunge
- Pushups and Rotation
- Side Plank
Precautions and Considerations
While HIIT is effective and time-efficient, it’s also demanding. The high intensity of these workouts can increase the risk of injury if not performed with proper form or if overdone. Here are some key precautions:
- Warm-Up: Always warm up thoroughly to prepare your muscles and joints for the demands of HIIT.
- Listen to Your Body: If you’re feeling fatigued or experiencing pain, take additional rest or modify exercises to reduce intensity.
- Rest and Recovery: Since HIIT is intense, it’s important to allow for adequate recovery between sessions. Two to three HIIT workouts per week, with rest days or lower-intensity workouts in between, is generally recommended.
- Form Over Speed: It’s better to perform exercises with proper form at a lower intensity than to rush through them and risk injury.

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