HIIT

Advanced

Aerobic step endurance

Conditioning · Step-ups and Marching in place

Timer
1:38:10 including countdown
Equipment
Low, stable box
Active calories
328–511 kcal

Rough estimate for 70 kg (154 lb) of body weight. Pace, rest and movement affect actual energy use. Adult Compendium

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HIIT

How it works

A 10-second countdown leads into 20 rounds. Work for 130 seconds on each movement, rest 15 seconds between movements and 20 seconds between rounds.

Take the first round easy. Set a steady pace you can sustain and take extra breaks as needed. Use a stable, non-slip step about 4–8 in (10–20 cm) high.

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The movements

  1. Step-ups

    Put your whole foot on a low, non-slip box. Step up and down under control, alternating your lead leg each rep.

    Make it easier Use a lower step you can climb without momentum.

    130 sec each interval
  2. Marching in place

    Lift one knee at a time and place each foot down softly. Keep your torso tall and let your arms swing naturally.

    130 sec each interval