A super-toning yet low-impact method that focuses on precise, functional movements, P.volve has been a go-to for at-home classes for supermodels and celebs. While P.volve does make use of a few innovative and easy-to-use pieces of resistance equipment, there are some digital classes that require no equipment at all. 

P.volve, $19.99 a month with extended 30-day free trial using code OnePvolve

[Photo via @pvolve]

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