The leg extension, or knee extension, is a type of strength training exercise. It’s an excellent move for strengthening your quadriceps, which are in the front of your upper legs. Leg extensions are ...

Several studies describe that in addition to the thoracic and lumbar muscles, the Latissimus dorsi (LD) and hip extensors contribute during trunk extension performance. [28,30–33] These findings ...

Physical therapists and chiropractors often talk about the importance of developing the "posterior chain" to create better biomechanical balance. The posterior chain refers to the group of muscles ...

Hip extension exercises are important for strengthening the muscles that help stabilize the pelvis and propel the body during such movements as walking, running, jumping, and standing up. Hip ...

THE KEY TO building a strong, symmetrical physique comes down to focusing on body parts most people neglect. One spot typically overlooked (and improperly trained) than others: the calf muscles. If ...

“Use it or lose it” is a common prescription for older athletes. But many longtime runners find that, despite regularly using, they’re nonetheless losing, at least when it comes to their leg muscles.

The present study was designed to investigate whether the amount of activity (%MVC) of the different parts of the posterior spine muscle chain is influenced by different extension exercise modalities.