Ever heard of the so-called "Big Five" for fitness training? FITBOOK explains five exercises that help you build muscle quickly.

Archer push-ups are a variation of the classic push-up. Learn about their benefits, targeted muscles, common mistakes, and preparatory exercises.

If you want to effectively train your triceps, you might consider trying the Sphinx exercise. FITBOOK explains how it works.

Time Under Tension is a popular method in strength training to optimize muscle growth. Here's how TUT works and how to apply it.

Landmine Squats (also known as Lumberjack Squats) are an effective barbell exercise for the lower body. Learn more about execution, common mistakes, and variations.

Bulgarian split squats are excellent for training leg muscles. Here's everything you need to know about their origin, execution, common mistakes, and variations.

The goblet squat translates to "Kelch-Kniebeuge" in German. Here's what the exercise offers, how to perform it correctly, and which mistakes to avoid.

The biological rhythm affects our performance. As a shift worker, you need to be mindful of when you consume large meals.