Alicia Weber performed 230 arms crossed bent knee situps in five minutes.
Alicia Weber performed 350 reps in her 10-minute arms crossed, bent knee sit-ups and knuckle push-ups challenge.
David Fei performed 21 sit-ups with his legs wrapped around a woman's waist.
Kate L. performed 100 curl-ups on a yoga mat while listening to music.
Alicia Weber completed 583 sit-ups-flutter crossover reps in 15 minutes.
Tai Star took one minute, 34.06 seconds to perform a sit-up.
Moose Turbo completed 45 sit-ups in one minute. He is 66 years old.
Shawtgun White completed 18 sit-ups in one minute while balancing a skateboard on his head.
Ricky B. performed 24 sit-ups while his legs were wrapped around a man's waist.
David Begiashvili completed 1,430 sit-ups in 30 minutes. The exercises were performed while his hands held the back of his head. Read more about the feat here.
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