Workout Description
AMRAP in 20 minutes
10 Pull-Ups
40 Air Squats
80 Double-Unders
Why This Workout Is Hard
The 20-minute AMRAP format creates significant cardiovascular fatigue with no built-in rest. The ascending rep scheme (10-40-80) means athletes face increasingly larger sets as they tire. Double-unders require skill maintenance under fatigue, and 80 reps is a substantial volume that will slow most athletes down. The air squats will create cumulative leg fatigue that makes the jumping more challenging in later rounds.
Training Focus
This workout develops the following fitness attributes:
- Stamina (8/10): High volume of air squats and double-unders challenges local muscular endurance, particularly in legs and shoulders over multiple rounds.
- Endurance (7/10): Twenty minutes of continuous work with double-unders as a significant cardio component creates sustained elevated heart rate and tests aerobic capacity.
- Speed (6/10): Quick transitions and efficient cycling of double-unders are crucial for maximizing rounds in the time cap.
- Flexibility (4/10): Shoulder mobility for pull-ups and hip/ankle flexibility for squats required, but movements are within normal ranges.
- Strength (3/10): Pull-ups require relative strength, but volume and format make this more endurance-focused than strength-focused.
- Power (2/10): While double-unders have a power component, the workout emphasizes endurance over explosive output.
Movements
- Air Squat
- Pull-Up
- Double-Under
Scaling Options
Pull-ups: Ring rows (horizontal) or banded pull-ups, maintaining 10 reps. Air squats: Reduce to 20-30 reps or use box for depth assistance. Double-unders: Single-unders (160-240) or alternating single/double (40 total). Time can be reduced to 12-15 minutes for beginners. Advanced athletes can add weight vest (10-20#) to pull-ups and squats.
Scaling Explanation
Scale if unable to perform 5+ strict pull-ups, if air squats cause form breakdown before 20 reps, or if double-unders are not consistent at 20+ unbroken. Priority is maintaining movement quality and consistent work rate over volume. Scaled versions should allow 3-4 rounds in time cap with no more than 2-3 brief rests per movement. Athletes should be breathing hard but able to maintain form and continue moving.
Intended Stimulus
Moderate-length oxidative workout (20 min) with high-volume bodyweight movements. Primary focus is aerobic capacity and local muscular endurance. The high-rep double-unders create skill fatigue while pull-ups test upper body stamina. Air squats add significant leg volume to drive breathing rate.
Coach Insight
Break pull-ups early into sets of 3-4 to avoid failure. Air squats should be done in 2-3 sets (20/20 or 15/15/10) with quick breaks. Double-unders are most efficient in sets of 20-30 when fresh, dropping to sets of 10-15 as fatigue builds. Keep transitions under 10 seconds. Common mistake is going too hard in first 5 minutes - aim for consistent round times throughout. Target 4-5 full rounds for experienced athletes.
Benchmark Notes
This is an AMRAP with similar movement patterns to Cindy (5 pull-ups, 10 push-ups, 15 air squats). Key differences:
1. Double volume on squats (40 vs 15)
2. Double volume on pull-ups (10 vs 5)
3. Added 80 double-unders
4. No push-ups
Per round breakdown (elite pace):
- Pull-ups: 10 reps × 1.5s = 15s
- Air Squats: 40 reps × 1.2s = 48s
- Double-unders: 80 reps × 0.5s = 40s
- Transitions: 2 × 3s = 6s
Base round time: ~109 seconds fresh
Applying Cindy anchor (L10: 25-30 rounds in 20 min):
This workout is roughly 1.8x longer per round due to higher volume, suggesting 12-13 rounds for L10 athletes.
Fatigue factors:
- Pull-up volume causes significant grip fatigue
- Large sets of air squats create local muscle fatigue
- Double-unders require sustained focus and coordination
Final targets:
Men:
L10: 12-13 rounds
L5: 8-9 rounds
L1: 4-5 rounds
Women:
L10: 11-12 rounds
L5: 7-8 rounds
L1: 3-4 rounds
Modality Profile
Pull-Up and Air Squat are gymnastics (G) movements, while Double-Under is traditionally categorized as gymnastics due to being a bodyweight coordination skill. With 3 movements total and all being bodyweight-based, this workout is predominantly gymnastics-focused.
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