If you want firm and muscular legs, you can't skip training your inner thighs—these exercises will help you achieve that.

Strong forearms are an essential part of a balanced upper body workout. Discover which exercises specifically strengthen these muscles here.

The Sit-to-Stand Test offers a simple method to reveal how quickly one is biologically aging and what can be done about it.

Playground Instead of Studio: Equipment-Free Exercises for Strength and Stability. How Can a Children's Area Become a Training Space?

Alec Baldwin went all out for his role in "Blue Jasmine," losing 24 pounds through a change in diet!

Researchers found a link to how glioblastoma growth can be slowed by disrupting the circadian rhythm.

Headaches can be very stressful for those affected - a new study shows that they also increase the risk of suicide.

A study investigated the extent to which Camembert cheese, which contains fermented milk, can influence memory performance.

Squats strengthen the front thigh, but if you do them sideways, you also train the inside and outside of your legs.

A rectus diastasis refers to a gap in the abdominal muscles, but it can be reduced with the right exercises.

Burpees are challenging because they combine push-ups and jump squats. FITBOOK explains how to master the correct technique.

A side lunge is the lateral variation of a lunge. FITBOOK explains how to correctly execute side lunges.

Pilates meets suspension training: Why TRX Pilates is effective for core, back, and stability—and also suitable for beginners.

The leg press can be used in more ways than just the traditional method; there are additional exercises you can perform with the machine.

Many people first train for strength and then immediately for endurance. Fitness expert Stephan Geisler explains what to keep in mind when doing so.

Deadlifts and squats train the lower body. But which of the two exercises is better for muscle building? FITBOOK explains.

A firm, well-rounded butt is a fitness goal for many. FITBOOK summarizes the exercises that can help you achieve this.

Despite some menopausal symptoms, "Beverly Hills, 90210" star Jennie Garth (52) is fit. FITBOOK shares Garth's workout.

Personal trainer Rebecca Building actually comes from the world of professional bodybuilding. She told FITBOOK why she stopped doing it.

Just a Little Training Each Week Can Transform Flabby Arms into Defined Upper Arms FITBOOK explains which exercises make it happen.

Within a year, Daniela Katzenberger has undergone a transformation and put on a lot of muscle mass FITBOOK presents Katzenberger's workout.

Rebecca Barthel has been working as a personal trainer for almost 20 years. What does she think women should look out for when training?

Endometriosis patients often struggle with severe pain. However, a study suggests a beneficial link between diet and endometriosis pain.

A study investigated whether there are differences in cancer risk when consuming red or white wine — apparently especially for skin cancer.

Rowing promotes muscle building and endurance - but which workouts can you do on the rowing machine as a beginner?