Workout Description

Why This Workout Is Very Hard

225/155lb back squats are already demanding for the average athlete, but pairing them with 5 burpee box jumps in an EMOM creates brutal leg fatigue accumulation. The work-to-rest ratio is punishing — 10 reps per minute leaves minimal recovery. Squats and burpee box jumps share the same primary movers (quads, glutes), compounding fatigue each round. By minutes 6-9, the average athlete will struggle to maintain the pace or the load.

Training Focus

This workout develops the following fitness attributes:

• Strength (7/10): 225/155 lb back squats represent a significant load for most athletes, demanding substantial lower body strength. This is well above moderate loading and requires real force production each set.
• Power (7/10): Burpee box jumps are highly explosive, requiring rapid hip extension and vertical power. Even the back squats benefit from a powerful drive out of the hole to complete reps efficiently under fatigue.
• Stamina (6/10): Five reps of each movement per minute for 9 rounds accumulates meaningful volume. Legs and lungs must sustain repeated efforts under load, testing muscular endurance across the lower body and full body.
• Speed (6/10): Athletes must complete 10 total reps within each minute, creating time pressure. Efficient transitions and quick cycling of burpee box jumps are essential to earn adequate rest before the next round begins.
• Endurance (5/10): A 9-minute EMOM creates moderate cardiovascular demand. The short duration limits true aerobic development, but the repeated minute-by-minute effort keeps heart rate elevated throughout the session.
• Flexibility (5/10): Back squats require adequate hip, ankle, and thoracic mobility. Burpee box jumps demand hip flexor and posterior chain flexibility. Combined, these movements require moderate but not extreme range of motion.

Movements

• Back Squat
• Burpee Box Jump

Scaling Options

Weight: Reduce back squat to 70-75% of Rx (155/105 lb) for intermediate athletes, or 50-60% (115/75 lb) for newer athletes — the bar should feel heavy but never a grind. Movement substitutions: Replace burpee box jumps with burpee step-ups (same box height) to reduce impact and skill demand, or reduce box height to 12-16 inches. For athletes with knee or hip limitations, sub goblet squats at moderate load. Volume: Reduce to 4 back squats and 4 burpee box jumps per round, or shorten the EMOM to 6 minutes (6 rounds) to preserve intensity without excessive fatigue accumulation.

Scaling Explanation

Scale the weight if you cannot perform at least 8-10 unbroken back squats at the prescribed load in a fresh state — if 5 reps is already a grind before the workout starts, the fatigue of 9 rounds will compromise your mechanics and increase injury risk. Scale the burpee box jumps to step-ups if you have any knee, ankle, or landing concerns, or if your jump mechanics break down under fatigue. The priority here is maintaining consistent, safe movement across all 9 rounds — not hitting the Rx numbers. If you're finishing each round with less than 10 seconds of rest, scale down immediately. The intended stimulus is short, powerful bursts with meaningful recovery — if it becomes a grind with no rest, you've lost the stimulus entirely.

Intended Stimulus

This is a short-burst power workout designed to develop strength-endurance under fatigue. Each minute is a sprint — you're hitting heavy barbell work immediately followed by explosive plyometric movement, then resting with whatever time remains. The goal is to maintain consistent output across all 9 rounds without significant degradation in speed or mechanics. Expect your lungs and legs to be screaming by rounds 5-7. The primary challenge is the combination of heavy lower-body strength demand paired with explosive conditioning — your legs never get a true break.

Coach Insight

Your rest window is everything here — treat it like gold. At Rx weight, aim to complete the 5 back squats and 5 burpee box jumps in 30-40 seconds, giving you 20-30 seconds of recovery. For the back squats, use a controlled but efficient tempo — no slow eccentrics, stay tight, and drive through the floor. Touch-and-go reps are fine if your form holds, but don't rush the setup. For burpee box jumps, develop a rhythm: hit the floor, press up, step or jump to the box, stand tall, step down — don't let them become sloppy. Common mistakes include going too fast on squats in early rounds and blowing up by round 5, letting the chest cave under fatigue on squats, and losing hip extension at the top of box jumps. Stay consistent round to round — a steady round 1 through 9 beats a fast round 1 and a crawl through rounds 7-9.

Benchmark Notes

This EMOM is a structured conditioning piece with fixed work per minute — athletes either complete the 5 back squats and 5 burpee box jumps within each minute or they don't. There is no cumulative score to record; the workout is pass/fail per round across 9 minutes, making it unscored by nature.

Modality Profile

Two movements: Burpee Box Jump is Gymnastics (bodyweight movement combining burpee and box jump), Back Squat is Weightlifting (barbell with external load). 1 Gymnastics + 1 Weightlifting = 50/50 split.

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