10 minute AMRAP
The Rip Tide
Upper-lower switch · Blood Shunt · intensity 3 of 5
The workout
As many rounds as possible in 10 minutes of:
- 30 Jumping Jacks
- 12 Back Widow
- 15 Air Squats
Overview
The Rip Tide is 30 jumping jacks, 12 back widow, and 15 air squats. The air squats and the back widow trade the quads and the upper back. 30 jumping jacks is the long piece, and it keeps the legs in the work, so the quads do not get a rest before the next round.
Muscles worked
Full body
Quads
Upper back
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
10 minutes, intensity 3 of 5. Today the limiter is 30 jumping jacks.
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 30 jumping jacks, 12 back widow, and 15 air squats.
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
30 jumping jacks is where the round gets hard. The other movements still have to be finished after it.
Pacing
Jacks and squats keep the blood moving; the widows yank it into the upper back. Punch the floor — do not crunch.
30 jumping jacks is where the round gets long. That set is where a planned break belongs. If that set falls apart, shorten the back widow on the next round rather than rushing it.
The movements
Jumping Jacks
Use this movement for active recovery. When paired with burpees or mountain climbers, the jumping jack is your opportunity to catch your breath.
What not to do. Bending the elbows so the hands never meet overhead.
Back Widow
Do not turn this into a core crunch. Your lower back and glutes must stay anchored to the floor. The only reason your torso lifts is because your lats and rhomboids are pressing the earth away.
What not to do. Turning the lift into a crunch so the lower back and hips leave the floor.
Air Squats
Let gravity do the work on the way down. Pull yourself into the bottom quickly, then explode up. Use your arms for rhythm.
What not to do. Cutting the depth once the legs burn, so the hip crease stops above the knee.
Why these movements
The air squats and the back widow trade the quads and the upper back. 30 jumping jacks is the long piece, and it keeps the legs in the work, so the quads do not get a rest before the next round.
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.
Jumping Jacks
- Low impact. Keep one foot down throughout — march the pattern instead of running it.
- Slower cadence. Same movement, fewer beats per minute. Cadence is the dial, not the shape.
Back Widow
- Shorter lift. Drive into the floor but only lift as high as you can control without the hips or neck cheating.
- Hold the squeeze. Reach the top and freeze for a count instead of cycling reps. Same drive, less fatigue management.
Air Squats
- To a seat. Squat to a chair or box and stand back up. Lower the seat as you improve.
- Hold a support. Hands on a doorframe or chair back to sit deeper than balance allows alone.
- Shorter range. Go only as deep as you can control, and stop before the heels lift.
Mistakes and who it is for
- Opening the jumping jacks at a sprint makes the jumping jacks the piece that falls apart.
- Resting until you feel fresh between movements removes the point of keeping them in one round.
- Letting 30 jumping jacks fail before you break it is how the next round gets longer.
Suited to someone who wants 10 minutes through Jumping Jacks, Back Widow, Air Squats.
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
- Flash Point
Same upper back and quads, shorter clock
- Shock Front
Same upper back and quads, longer clock
- Arterial Pull
Same upper back and quads, longer clock
Run it with friends
The Rip Tide runs on a shared countdown: share a rally link, everyone gets the same 10-minute clock, and the leaderboard updates as people log rounds.