Peacemaker is a no-impact circuit that ends the oldest argument in fitness - the one between wanting to train and not wanting to jump around. Step jacks, chest expansions, calf raises and reverse lunges, everything at 14 reps, nothing airborne. Both feet negotiate with the floor at all times. It raises your heart rate, works your legs and opens your chest without a single downstairs neighbor filing a complaint, which is diplomacy in its purest form.

Step jacks are the treaty that holds the whole thing together - they open the circuit, reappear in the middle of it, and stand alone at the end as the seventh exercise, keeping your pulse elevated between the working rows. In the first row they bracket chest expansions, pairing steady-state cardio with the shoulder and chest opener that undoes a day of sitting. In the second row, calf raises bracket reverse lunges: the calves work the ankles at low cost on either side of the row's real expense, fourteen reverse lunges that load each leg through full range. The flat count of 14 across all seven exercises means no station gets special treatment - every exercise signs the same terms.

Step the jacks wide and commit the arms fully overhead - the step version only works if the reach is honest. Open the chest expansions with long arms at shoulder height, squeezing your shoulder blades together at the back of each rep. Pause briefly at the top of every calf raise. In the reverse lunges, step back far enough that your front shin stays vertical, lower the back knee toward the floor with your torso upright, and drive up through the front heel - stepping backward is gentler on the knees than forward lunging, which is exactly why it is here.

Fourteen reps, seven exercises, zero jumping - peace was never about doing less, just about doing it without the noise.

Make it Harder: Hold the bottom of each reverse lunge for a 2-count before driving up.

Make it Easier: Cut every exercise to 7 reps and keep the full circuit shape.