Ab rollers: the one mistake that turns them into a back injury
The wheel is a genuinely effective tool and an unforgiving one. Progressions in order, and the failure to watch for.
Vibration plates: what they do, and what they are sold as doing
A frank look at whole-body vibration — the uses that hold up, the claims that do not, and who should not use one.
Suspension trainers: anchoring one safely at home
The straps are not the weak point — the anchor is. Four anchor types, rated honestly, and the ones to avoid.