Tip: Two Quad Killers You've Never Tried
These untraditional exercises will leave you pumped for hours... if you can take the pain.
Tip: The High-Resistance Bike Sprint
More than a good metcon workout, sprints performed like this can pack muscle onto your quads. Here's how.
15 Quad-Building Exercises for Women
Jacked Thighs Aren't Just For Guys
