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 ...

These 5 chair moves target lower abs and obliques to help tighten your midsection and improve posture after 50.

While six-pack abs get all the glory, your lower back is the true anchor of your physical independence; here is how to ...