P365 Fat Loss Block

Where the Stupid Decisions Live

The goal isn't what most people think it is. During fat loss, training focus is preserving existing muscle mass while dropping weight. Adding cardio, adding volume, adding metabolic circuits to "earn" the deficit — all distractions from the retention goal.

Heavy compound training under a controlled deficit is the retention mechanism. It signals to the body that strength is still needed, and the body protects the tissue that produces it. Everything in this block is built around that idea.

A successful fat loss phase maintains strength while dropping bodyweight. The goal is muscle retention, fat loss, and preserved training performance. Not chasing pumps or new maxes.

Enter Your Calibrated Max (3RM Values)

Complete Week 0 tracking phase first, then Week 1 testing. Establish your current 3RM on Back/Front Squat, Incline Barbell Press, Stiff-Leg Deadlift, and Dumbbell Overhead Press. The third rep should show visible deceleration but not stall. Your Calibrated Max is ~93-94% of your true 1RM.

Weights round to nearest 5 lb / 2.5 kg. If the third rep didn't show deceleration, the weight isn't a true 3RM under your current fatigue. An inflated 3RM produces overly aggressive working loads and a recovery deficit by Week 3.

Rate-Based Deficit Calculator

Enter your current bodyweight, select your rate. The deficit adjusts to your bodyweight and recalculates at each diet break as bodyweight drops.

Conservative fits leaner athletes (<15% BF men, <22% women). Moderate is the typical starting point (15-20% BF men, 22-28% women). Aggressive for higher body fat starting points. Protein holds constant at 1.0-1.2 g/lb throughout the block regardless of scale stalls or deficit severity.

Loading Progression (Strength Days)

Week Squat / Incline / SLDL Note
285% CMOpening loading week
387% CMStandard progression
488-90% CMPeak intensity
588-90% CMMaintain (strength retention = success)
670% CM (reduced vol)Back-off before retest

If bar speed on top sets decreases for two consecutive weeks, reduce planned load 3-5% and support it. That's a recovery need, not a strength loss.

Choose Your Duration

12-Week Track

Standard fat loss block. Diet break at Week 8. Mid-cycle retest at Week 7. Best for lifters starting at moderate body fat or shorter cutting windows.

16-Week Track

Extended fat loss block. Diet breaks at Week 8 AND Week 14. Mid-cycle retest at Week 8 concurrent with diet break. Best for lifters starting at higher body fat or seeking larger absolute drops.

Select Your Duration

Conditioning: Less Is Doing More

Two to three conditioning sessions per week, ideally Wednesdays and Saturdays. 25-30 minutes each. Incline treadmill walks, stationary bike, or stair climber. Moderate steady-state cardio interferes less with strength retention than aggressive intervals when calories are already restricted.

Wednesday's conditioning should be genuinely low effort. If your legs are fried Thursday, the intensity was too high.

When The Scale Stops

Order of operations matters. Most people get it backward.

  1. Verify dietary adherence first. Tracking errors are the most common reason for apparent stalls. Correcting them is free.
  2. Add one conditioning session if 2 weeks of confirmed accurate tracking show no change. Preserve dietary flexibility.
  3. Reduce calories by 100-150 only if another 2 weeks show no progress. Small intervention, not drastic cuts.

Track weekly average bodyweight, not daily fluctuations. Reacting to daily noise triggers panic spirals.

Chasing hypertrophy PRs during fat loss is counterproductive. Setting new rep records in a caloric deficit leads to a harsh reality check around Week 3, which triggers impulsive decisions that erase progress. Maintain strength, don't chase it.