Workout Description

Why This Workout Is Hard

While the individual weights are moderate (135/95 back squats, 20/14 wall balls), the descending rep scheme with no built-in rest creates significant leg fatigue accumulation. The combination of squatting movements interferes directly, with wall balls becoming increasingly challenging as legs fatigue from back squats. Most athletes will need to break sets early, especially in the 21-18-15 rounds, making this a 12-15 minute grind.

Benchmark Times for Michael Otten

• Elite: <12:36
• Advanced: 13:48-15:00
• Intermediate: 16:12-17:24
• Beginner: >28:30

Training Focus

This workout develops the following fitness attributes:

• Stamina (8/10): The descending rep scheme totaling 84 reps per movement challenges muscular endurance in legs and shoulders with minimal rest.
• Endurance (7/10): High-rep scheme and compound movements create significant cardiovascular demand, especially with the wall ball shots maintaining elevated heart rate throughout.
• Strength (6/10): 135/95lb back squats represent moderate loading, while wall balls add volume-based strength demands to legs and shoulders.
• Power (6/10): Wall ball shots demand explosive hip and shoulder drive, while back squats at this weight can be performed with power.
• Flexibility (5/10): Full-depth back squats and overhead wall ball throws require good hip, ankle, and shoulder mobility.
• Speed (4/10): Moderate cycling speed required, but weight and fatigue will limit pure speed potential.

Movements

• Back Squat
• Wall Ball

Scaling Options

Back Squat: Scale to 95/65 lb or 75/55 lb based on 1RM (should be ~40-50% of 1RM). Wall Ball: Reduce to 14/10 lb ball and/or lower target height by 6-12 inches. Volume option: 15-12-9-6-3 for newer athletes. Movement substitutions: Front squats or goblet squats if back rack mobility is limited. Consider medicine ball clean to press if wall ball coordination is poor.

Scaling Explanation

Scale if unable to perform 15+ unbroken back squats at prescribed weight with good form, or if wall balls cause shoulder fatigue before leg fatigue. Priority is maintaining consistent movement patterns throughout - technique should not break down after round of 18. Target time domain is 12-18 minutes; scale load or volume if estimated time exceeds 20 minutes. Athletes should feel primarily leg fatigue, not lower back strain.

Intended Stimulus

Moderate-length glycolytic workout (12-18 minutes) focusing on leg strength endurance and power output. The descending rep scheme challenges both muscular endurance and cardiovascular capacity. Primary challenge is maintaining consistent output while managing leg fatigue.

Coach Insight

Break back squats into manageable sets early (11-10, 9-9, 8-7) to avoid burning out. Quick transitions between movements are key, but don't rush setup on squats. For wall balls, establish a consistent rhythm - breathe at top of throw, catch in quarter squat. Common mistake is rushing first round then hitting wall by round of 15. Consider breaking wall balls at same points as squats to maintain parallel fatigue.

Benchmark Notes

Michael Otten totals 84 back squats at 135/95 lb and 84 wall balls. The old explanation estimated about 543 seconds for elite work, then stored a 6-minute top threshold. The male curve uses about 12 minutes for L10, 18 minutes for L5, and 30 minutes for L1.

Modality Profile

Both movements (Back Squat and Wall Ball) are weighted movements. Back Squat uses a barbell and Wall Ball uses a medicine ball, making them both Weightlifting (W) modality movements. With 2/2 movements being weightlifting, this results in 100% W.

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