Drill detail
Boxing ConditioningEvery 20 Seconds
Repeat-effort conditioning
Instructions
Every 20 seconds, begin a hard 4 to 6 punch combination. Between intervals, box technically.
Coach cues
Be ready when the interval arrives.
Common mistakes
Completely resting between bursts.
Progression
Every 15 seconds.
Regression
Every 30 seconds.
Coach required
No separate coach required