FITBOOK magazine on MSN

“10-Day Jumping Jacks Challenge: The Day I Wanted to Quit”

Jumping jacks in all variations–FITBOOK author Nina Ponath did at least 200 of them every day for 10 days. Here, she shares ...
Fit&Well

A master trainer says you can build full-body strength in 10 minutes with this dumbbell workout

Jenni Tardiff, master trainer at The Gym Group, recommends beginners start with this superset dumbbell sequence to build full ...