There is perhaps no better way to see the absolute pinnacle of human athletic abilities than by watching the Olympics. But at the Olympics – and at almost all professional sporting events – you rarely ...

What Is the Psoas Muscle? The psoas (pronounced so-ezz) muscles are two large muscles in your lower back. You have one on either side of your spine. They're the main muscular connection between your ...

The back consists of large, complex muscles that support your trunk and spine. There are many types of back muscles, and they are all essential, helping you walk, bend, twist, and hold your body ...

For decades, many people believed that building serious muscle meant sacrificing mobility. Today’s top physique athletes ...

For lower-body workouts from Stephanie Mansour routines — plus fitness challenges, walking podcasts, meal plans and inspiration — download the Start TODAY app! Large muscles like the hamstrings and ...

The quadriceps, or quads, are a group of four muscles on the front of the thigh. They are some of the largest and strongest muscles in the body. The quad muscles allow a person to stand, walk, run, ...

When it comes to weightlifting, people hit the gym for a plethora of reasons. Maybe you want to improve your overall health, lose weight, or cross-train for your sport. Two of the most common workout ...

Cutting rest time between sets may feel brutal, but it’s one of the most effective ways to keep your muscles working harder, ...

Examining the muscles of Eddie Hall, a British strongman and deadlift champion, has given researchers greater insight into muscle strength, which could inform athletic performance, injury prevention, ...

What muscles do push ups work? The classic strength-training exercise recruits lots of different muscles for movement and stabilization, but it mainly targets your chest, shoulders and upper arms.

Large muscles like the hamstrings and glutes tend to get all the glory on leg day, but don't sleep on a very important group of muscles: the calves. The largest and most visible part of the calf is ...