Workout Description

Why This Workout Is Very Hard

Death By Squats at 70% 1RM is deceptively brutal. Early minutes feel manageable with built-in rest, but by minutes 8-12 the cumulative leg fatigue becomes severe. At 70% (a moderately heavy load), each rep demands real effort, and the EMOM format forces athletes to keep pace regardless of fatigue. Most average athletes will fail around minutes 10-14, with legs giving out before lungs — a grinding, unforgiving format.

Training Focus

This workout develops the following fitness attributes:

• Stamina (8/10): The accumulating rep scheme is the core challenge. Total squat volume grows rapidly each minute, demanding sustained muscular endurance of the legs and posterior chain until failure.
• Strength (6/10): Using 70% of 1RM is a moderate-to-heavy load, requiring genuine strength output. Early rounds feel manageable, but fatigue compounds the strength demand in later minutes significantly.
• Endurance (5/10): As the EMOM progresses into higher rounds, cardiovascular demand increases significantly. Early rounds are easy, but later rounds with many reps under load create meaningful aerobic stress over time.
• Flexibility (4/10): Back squats require adequate hip, ankle, and thoracic mobility. Repeated squatting under load may expose flexibility limitations, though demands are moderate rather than extreme.
• Speed (4/10): As rep counts grow, athletes must move efficiently within each minute to complete reps before the next interval. Speed of cycling becomes increasingly critical in later rounds.
• Power (3/10): Squats at 70% 1RM are strength-focused rather than explosive. Some bar speed is needed to complete reps efficiently in later rounds, but power is not the primary stimulus.

Movements

• Back Squat

Scaling Options

Weight: Reduce to 50-60% of 1RM if 70% feels too heavy to maintain consistent mechanics for 10+ minutes. Beginners can use a fixed moderate load (e.g., 95/65 lbs) rather than a percentage. Movement substitution: Goblet squats with a kettlebell or dumbbell are an excellent sub for athletes still developing barbell squat mechanics — they reinforce an upright torso and are easier to bail safely. Air squats can be used for complete beginners, though add a tempo (3-second descent) to maintain stimulus. Volume modification: If the standard format feels too daunting, start at 2 reps in minute 1 and add 1 rep each minute, giving athletes a slightly longer runway before the rep count becomes challenging.

Scaling Explanation

Scale the weight if you cannot complete 10 unbroken back squats at the prescribed load with solid mechanics — if 70% already feels like a grind in a fresh state, it will collapse your form by minute 8. Scale to goblet squats or air squats if you lack the mobility or technique to safely load a barbell squat under fatigue. The priority in this workout is maintaining movement quality across many minutes — intensity is secondary to technique. A well-executed workout at 55% of 1RM that lasts 14 minutes is far more valuable than a sloppy, dangerous effort at 70% that ends in minute 8 with a rounded back. Target completion time is 10-15 minutes minimum to achieve the intended stimulus; if you're failing before minute 10, the load or movement is too demanding.

Intended Stimulus

This is a long-duration strength-endurance grind. The EMOM 'Death By' format starts deceptively easy and progressively taxes your legs, lungs, and mental fortitude. At 70% of 1RM, the load is moderate-heavy — not a max effort, but heavy enough that accumulated fatigue will make later rounds feel brutal. Expect to work into the 10-15+ minute range before failure. The primary challenge is mental and muscular endurance: staying composed under a barbell as rest windows shrink and legs accumulate fatigue. Energy demand is a sustained, building effort — not a sprint, not a slow grind, but a creeping burn that catches up fast.

Coach Insight

The first 5-6 minutes will feel almost too easy — resist the urge to rush or get sloppy. Treat every rep like it matters, because technique breakdown is what ends this workout early, not just fatigue. Key cues: brace your core hard before every descent, keep your chest tall, drive knees out, and stand fully at the top of each rep. Do not bounce out of the bottom — control the descent, especially as fatigue sets in. Pacing tip: complete your reps in the first 30-40 seconds of each minute and use the remaining time to breathe and reset mentally. Common mistakes include letting the torso collapse forward under fatigue, cutting depth to save energy (which accelerates form breakdown), and starting too fast with sloppy reps. The workout ends when you cannot complete the required reps within the minute — push to squeeze out every round you can, but rack the bar safely if form fails.

Benchmark Notes

The primary limiter is muscular endurance and relative strength at 70% 1RM — a load that becomes increasingly taxing as reps accumulate each minute. L5 (median CrossFitter) reaches round 10, meaning they complete 55 total reps before failing to finish within the minute; elite athletes can sustain the cycling speed and positional integrity through round 15 (120 reps).

Modality Profile

Back Squat is a barbell movement with external load, classifying it entirely as Weightlifting. Single movement = 100% W.

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