# strength training

Hamstring anatomy diagram showing four muscle heads
Strength Training

Exercise Selection for the Hamstrings: A Guide

Most lifters hammer their quads but forget the hamstrings. Research shows you need both leg curls and hip hinges — here's exactly which ones to pick.

Barbell loaded with weight plates for heavy lifting
Strength Training

How Heavy Can You Go for Muscle Growth?

The classic 8-to-12 rep rule for muscle building might be wider than you think. Here's what 12 studies say about how heavy your sets should actually be.