Woman performing jumping jacks
Sunday, September 20, 2026

Jumping Jack 30 / 15

Ten rounds of thirty seconds of jumping jacks with fifteen seconds of rest. Steady cardio cadence — keep the heart rate honest without burning out.

Before You Start

The Workout Briefing

Movements

  1. 01

    Jumping Jack

    10 rounds: 30s work / 15s rest; full extension at the top, soft landings

Scaling

Easier

step-jacks instead of jumping; cut to 8 rounds

Harder

cross-body jacks; tuck jumps mixed in.

Timer Structure

What Today's Timer Looks Like

10 × 30s jumping jacks / 15s rest.

Jumping Jacks
Rest
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