Treadmill intervals
- Intermediate
- Machine
Short hard efforts; recover fully in between
Muscles worked
- Primary:
- Quads
- Secondary:
- Glutes, Calves
How to do it
- Warm up for 3-5 minutes walking or jogging easy.
- Alternate hard stretches (running or incline walking) with easy recovery stretches.
- Finish with a few easy minutes to bring your heart rate down.
Common mistakes
- Holding the rails during the hard stretches.
- Starting intervals without warming up.
Tips
- Example: 30 s hard + 90 s easy, 6-10 times.
- Incline walking is a low-impact option.