Strength 101: sets, reps and why heavy isn't scary
What does 4x6 mean? Why do some days feel heavy? Here's strength training explained like a human.
Grip strength: the weird little test that predicts a lot
How hard you can squeeze is linked to how well you age. Here's why, and how to train it.
One leg at a time: why we love single-leg work
Split squats, step-ups and single-leg deadlifts are humbling. That's exactly why they work.
The centenarian decathlon: train now for what you want to do at 85
Picking up a grandkid. Carrying groceries up the stairs. Getting off the floor. Peter Attia's idea is simple, and kind of brilliant.