This short set of exercises is scientifically proven to give you the benefits of a high-intensity interval training workout with no equipment needed.

Looking to do cardio, but don't feel like going on a run? These exercises will get your heart rate up — and they're all bodyweight moves.

The Lafati 2-Ton Scissor Car Jack is on sale for $20, which is 64% off the original $55 price tag. It’s a bestseller at Walmart and shoppers love how “robust” and reliable it is.

07 POPSUGAR Studios Scissor Jacks This dynamic move tones your arms and legs while getting your heart rate up; here's a GIF demonstrating how.

The jack was stored in the trunk, either under or above the spare tire depending on the year or model. Cost control greatly influenced the design of scissor jacks, therefore they were not very robust.