23 And 1/2 Hours23 And 1/2 HoursFunny 171 views

This clip is kinda long, but if you're into preventive medicine it's interesting and very well done.

Untouchable Jump Rope SkillsUntouchable Jump Rope SkillsFunny 108 views

Ninjas: Not as impressive as they used to be. Jump Rope: More impressive than ever.

Bicep Curl FailBicep Curl FailNerdy 1323 views

This dude manages to curl two large stone blocks once then decides to take a nap.

Don't C-Walk Onto a TreadmillDon't C-Walk Onto a TreadmillNerdy 313 views

Needless to say, the C-Walk Cardio Workout never really caught on in the fitness world. Just too many faceplants.