15 minute AMRAP
Aerobic Shift
Upper-lower switch · Blood Shunt · intensity 3 of 5
The workout
As many rounds as possible in 15 minutes of:
Overview
Aerobic Shift is 20 alternating lunges, 10 t-push-ups, and 40 double-tap jumps. The work moves through the quads and the chest instead of sitting on one muscle.
Muscles worked
Chest
Full body
Glutes
Quads
Energy systems
These are overlapping contributions. This workout is not assigned to one energy system.
- Glycolytic: Moderate
- Oxidative: High
- Neuromuscular: Moderate
Training effect
Immediate demand
15 minutes, intensity 3 of 5. Today the limiter is 40 double-tap jumps.
Intended stimulus
The same upper-lower switch, held long enough that the work keeps moving while the heart rate stays up. On this workout that is 20 alternating lunges, 10 t-push-ups, and 40 double-tap jumps.
Repeated practice
Repeat the same workout and compare the score. What can change over weeks is how long that pace lasts. One time through does not produce that change.
Body-composition context
Body weight changes with the rest of how you eat and train. This workout is one piece of work on one day.
Expected feel
40 double-tap jumps is where the round gets hard. The other movements still have to be finished after it.
Pacing
Rotational pressing prevents early shoulder fatigue in this long domain.
40 double-tap jumps is where the round gets long. That set is where a planned break belongs. If that set falls apart, shorten the alternating lunges on the next round rather than rushing it.
The movements
Alternating Lunges
Reverse lunges are superior for AMRAPs. They protect the deceleration forces on the knee and allow for a faster, springier return to the standing position.
What not to do. Letting the front knee travel past the toes as the torso pitches forward.
T-Push-ups
Widen your foot stance slightly to provide a more stable base during the rotational phase.
What not to do. Rotating from the arm alone while the hips stay flat to the floor.
Double-Tap Jumps
This perfectly simulates the neurological timing of a double-under with a jump rope. Keep the torso completely hollow and rigid in the air.
What not to do. Bending forward to reach the thighs instead of jumping higher.
Why these movements
The work moves through the quads and the chest instead of sitting on one muscle.
Scaling
Keep an upper-body movement and a lower-body movement in the same round. Drop reps on both before you drop one of them.
Alternating Lunges
- Hold a support. One hand on a wall or chair for balance. The legs still do the work.
- Shorter range. Drop only as far as you can stand back up from without pushing off your hands.
T-Push-ups
- Hands elevated. Hands on a bench, chair or step. The higher the surface, the easier the rep.
- From the knees. Knees down, hips in line with the shoulders — do not let the hips pike up.
- Partial range. Lower as far as you can control and press back. Depth grows as you do.
Double-Tap Jumps
- Step instead of jump. Same pattern, same range, no flight. Keeps the pace without the landing.
- Lower and slower. Keep the jump but cut the height and take the landing softly.
Mistakes and who it is for
- Opening the alternating lunges at a sprint makes the double-tap jumps the piece that falls apart.
- Resting until you feel fresh between movements removes the point of keeping them in one round.
- Spending the first minutes hard leaves the later rounds as a different, slower workout.
Suited to someone who wants 15 minutes through Alternating Lunges, T-Push-ups, Double-Tap Jumps.
Scoring and progression
Work through the movements in the order listed, then start the next round. Your score is the number of complete rounds plus any reps of the round you were partway through when the clock hit zero — written as rounds plus reps, so seven full rounds and twelve reps is7+12.
Progression is repeating this workout and comparing that score. The page does not promise a change from one time through.
Related workouts
- Overwatch
Same quads and chest, longer clock
- The Barricade
Same quads and chest, longer clock
- The Baseline
Same quads and chest, longer clock
Run it with friends
Aerobic Shift runs on a shared countdown: share a rally link, everyone gets the same 15-minute clock, and the leaderboard updates as people log rounds.