"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The 25-7-2 Stairmaster workout is the next 12-3-30 workout. You heard it here first. In the same way that ...
The quick exercise can help prevent pain and back issues down the line.
Stairmaster fans, listen up! If you thought the 12-3-30 workout was intense, get ready for the latest cardio trend that’s taking social media by storm: the 25-7-2 Stairmaster challenge. This workout ...
Women's Fitness on MSN
The viral stairmaster workout everyone’s talking about – but does it really work?
The 25-7-2 stairmaster challenge promises stronger legs, better fitness and serious calorie burn in just 25 minutes. Experts ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results