Maya Collins

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.

Meta-analysis chart comparing fast and slow lifting tempos
Strength Training

Does Tempo Matter for Muscle Growth?

A new meta-analysis of 14 studies shows fast and slow tempos produce similar muscle growth. Here's what the data actually says about how fast you should lift.

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.