Chris Hemsworth's "Thor" stunt double dished on the amount of effort it takes to look like the Hollywood heartthrob.

If your weightlifting experience is limited to carrying heavy grocery bags from your car to the front door, listen up! In addition to sculpting the toned bodies you see in magazines, resistance training can significantly enhance your physical and mental health. But starting a program can be intimidating and expensive.

With over 700 locations and 3 million members, the average number of members of a single Gold's Gym is 5,000.

Meghan Markle's longtime trainer Craig McNamee reveals exactly how the royal-to-be keeps her body strong and lean.

Navy SEALs are some of the toughest and most highly trained men in the American military. Because they conduct dangerous missions both in the water and on land and often under the cover of darkness, the skills and requirements to become a SEAL are much more rigorous than any other branch of the Armed Forces.

Tabata, HIIT, kettlebells, CrossFit … sure, tough workouts are hogging all the headlines these days, but that doesn’t mean you should completely ditch moderate-intensity exercise. In fact, here are seven good reasons you should be doing moderate- to low-intensity exercise more often.

Muscular endurance is the ability of a muscle to repeatedly exert force against resistance. Many factors contribute to muscular endurance, including genetics.

Strength is the ability to move heavy weight, power is the ability to move weight with speed and endurance is the ability to perform many repetitions.

Perform somatic exercises at home in a quiet place while lying on a mat or a thick carpet. Move slowly and mindfully and try to experience movement from the inside out.

P90X Core Synergistics exercises include various abdominal and oblique moves as well as push-ups, lunges and squats.

Try the following five highly-effective exercises to get in some speed training. Do them anywhere: a living room, hotel or local park.

Royal-to-be Meghan Markle has captivated the entire world. Among her many admirable qualities is her commitment to health and fitness. It clearly pays off, as she looks amazing! We've rounded up several workouts that Markle swears by and you'll most definitely want to try.