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 ...

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 ...

The kinetic chain is the system of muscles, joints, and connective tissue that work together to produce movements, per the International Sports Sciences Association. When you're designing a knee ...

Both your protein intake and dedication to resistance training make a difference in building muscle. I cover the mounting research on ways to enhance muscle growth, and researchers are always diving ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Not everybody has the ...