It's no secret that Brie Larson is superhero-strong, and we're constantly floored by the glimpses we get of her training regimen. We're talking weighted push-ups, pull-up holds, kettlebell windmills ...

For athletes looking for a new way to reinvigorate their cardio and strength training, workout sleds can be the perfect tool for the task. Tackling multiple muscle groups at once while also getting in ...