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Shiver Me Timbers (Engine Day)

Day 4
45–60 min Frostbite Fat-Loss Fiesta Day 4 of 5 Progressive overload

Wind-chill engine circuit to ramp up fat loss and aerobic fitness, mixing classic snowy bodyweight and monostructural moves for scalable, high-energy fun.

Warm-Up

5 min easy row, bike, or ski 2 rounds:

  • 20 jumping jacks
  • 10 PVC pass-throughs
  • 12 glute bridges

Metcon

“Avalanche AMRAP” (18 min AMRAP):

  • 400m run or 500m row
  • 20 box jumps (24/20”)
  • 20 alternating DB thrusters (35/25#)
  • 20 sit-ups

Scaling: Step-ups instead of box jumps; DB push press for thrusters; reduce run/row to 300m

Cool-Down

  • Downward dog: 60 sec
  • World’s greatest stretch: 60 sec/side
  • Kneeling hip flexor stretch: 60 sec/side
  • Seated hamstring stretch: 60 sec/side
  • Supine spinal twist: 45 sec/side

Core / Optional Finisher

Optional:

  • Tabata (4 min): bicycle crunches

Coaching Notes

Keep engine metcons at 75-85% max heart rate. Pacing is more important than all-out speed. Focus on smooth, rhythmic breathing.

Week-over-Week Progression

  • Week 1: 18 min AMRAP as written
  • Week 2: Try for more rounds, or add 5 reps per movement
  • Week 3: Add a 100m run/row each round
  • Week 4: 15 min cap, aim for best possible pace—reduce volume for active recovery

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