@eagle.pullup: Ten seconds of L-sit says more than a hundred crunches ever will. Four floor rungs, no equipment, one hidden flexibility requirement on slide 7. Save it - this ladder takes weeks and you'll need the pass tests every session. #lsit #calisthenicsworkout #bodyweighttraining

EAGLE · Zero To One

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Monday 17 August 2026 03:22:55 GMT