1. Tension Over Everything
Tension is the undisputed main driver of hypertrophy. Without tension, very little muscle growth occurs. Tension is the force created within a muscle as it is pulled and stretched during lifting. When the muscle senses tension, anabolic signals are sent telling it to grow. Maximizing tension is what the remaining five principles serve.
2. Technique
Good, consistent technique ensures tension actually lands on the target muscle.
- The negative: A controlled, slightly slower negative is a pillar of good technique. The eccentric (negative) phase is more important for hypertrophy than the concentric (positive). Use a 2–4 second negative on most exercises, with a forceful/explosive positive. A few exercises (e.g. cable reverse flyes, cable triceps kickbacks) use a smoother positive instead. Cue: treat the negative as a "failed positive" — resist the weight, feel the muscle stretch.
- Range of motion: Getting to the deepest, most-stretched aspect of the ROM matters most — the stretch is more important than the squeeze. Regularly check that you're getting a deep stretch at the bottom of each rep.
- Momentum: Minimize cheating and swinging. Getting the weight from A to B without applying tension to the target muscle (e.g. swinging bicep curls) wastes the set.
- Form consistency: Keep form consistent week to week. Adding weight/reps by loosening form is "fake progression." Technique over weight, always.
3. Effort
You must push sets hard. Research shows most people don't train hard enough. Beyond the beginner stage, growth is uncomfortable — you need to grind reps. A near-foolproof way to train hard enough: push most sets to failure or about one rep shy. A meta-analysis (Robinson et al, 2023) showed hypertrophy tends to increase as you approach 0 reps in reserve (RIR). The evidence on failure is mixed, though — another meta-analysis [6] found no superiority of failure over non-failure training.
The program's solution — Early Sets vs. Last Sets:
- All working sets are split into Early Sets (every set before the last) and the Last Set.
- 3 sets → sets 1–2 are Early, set 3 is the Last Set. 2 sets → set 1 Early, set 2 Last. 1 set → it is the Last Set (no Early-Set RPE listed).
- Early Sets are not warm-up sets (warm-ups come first, separately).
- Early Sets: stop ~1–2 reps shy of failure (~RPE 8–9 in the program).
- Last Set: taken all the way to failure (except intro/deload weeks).
The RPE Scale (Rating of Perceived Exertion)
RPE = how hard a set felt on a 1–10 scale, based on reps left in the tank.
| RPE | Meaning |
|---|---|
| 10 | Reached failure — tried and failed to get the weight all the way up. |
| 9–10 | Didn't quite reach failure but very close; no more than 1 rep left. |
| 9 | Could've done 1 more rep if you really tried. Still a hard set. |
| 8–9 | Could've done 1–2 more reps. Not brutal, but close to failure. |
| 8 | ~2 reps left in the tank. Not super hard, but still stimulates growth. |
| 7–8 | 2–3 reps left. Usually doesn't feel like a truly hard set. |
| 7 | 3 reps left. Between a tough warm-up and an easy working set. |
| 6–7 | 3–4 reps left. |
| 6 | Could've done 4 more. |
| 5 | Could've done 5 more. |
| 1–4 | More than 5 reps left — these are warm-up sets, not working sets. |
The "~" before an RPE means being off by about 1 unit is normal — aim within +/- 1 RPE. The last set taken to failure also lets you check how accurate your Early-Set RPE estimates were.
4. Progressive Overload
Continually providing a new stimulus is crucial for continued growth. Main methods used:
- Adding reps (double progression): The primary method on rep-range exercises. Pick a weight you can hit for the bottom of the range, add reps week to week until you max out the top of the range on all sets, then add weight and drop reps back to the bottom of the range. Progress reps first, then weight.
- Adding weight: Only once you've maxed out the top of the rep range.
- Improving form: Better technique (especially controlling the negative) increases tension and counts as overload.
- Improving the mind-muscle connection: Feeling the muscle work better can increase hypertrophy [9] — useful on isolation exercises where adding reps/weight becomes impractical.
5. High-Tension Exercises
The program emphasizes machines and cables over free weights (and even uses the Smith Machine over the barbell in places). Reasons:
- Evidence shows machines are at least equally effective as free weights for hypertrophy [10], sometimes superior [11].
- You can push to failure more safely on machines.
- Machines have better, more even resistance profiles (e.g. Bayesian cable curl keeps tension on the biceps through the full ROM, unlike a DB curl).
- Higher stability means less "tension leakage."
- Machines generally need fewer warm-up sets, saving time/energy.
Free weights still have advantages (accessibility, strength carryover, stabilizer activation, versatility) and remain throughout the program, but machines/cables are emphasized. Every exercise includes at least one free-weight substitution for minimal-equipment setups. The program also prioritizes a long-muscle-length bias — loading the muscle while stretched (e.g. Bayesian cable curl, DB Bulgarian split squat, pendlay deficit row, bottom-half DB flyes).
6. Intensity Techniques
Applied to the last set of each exercise (there's a dedicated column for this):
- Failure: The last set of every exercise goes to failure (except intro/deload weeks). Reinforces what "all out" means, standardizes effort, and errs on the side of pushing hard given the mixed evidence.
- Long-Length Partials (LLPs): Partial reps in the stretched aspect of a lift. Used most often to extend the last set beyond failure (e.g. after full-ROM failure on seated leg curls, switch to lengthened partials and continue to failure again). Exercises prefixed "Bottom-Half" mean all reps/sets are lengthened partials.
- Static Stretches: Holding a stretch in a fixed position. Used for calves only in this program — a 30-second hold per calf after the last set. (Research shows static stretching only hurts performance when held >60s; 30s is safe.)
- Myo-reps: Extending a set beyond failure with short (~5s) mini-rests, cranking out 3–4 extra reps each time until you can't get at least 3 reps. Captures more "effective reps" near full exhaustion.