In this video, Jonathan Hörst leads you through a challenging 4-minute plank routine. This rigorous multi-plank sequence works both anterior and posterior core muscle groups, as well as the obliques and numerous hip muscles involved in hip flexion and abduction. And, as you will soon discover, your shoulders and scapular stabilizers will also get seriously Read More The post 4-Minute Plank for Climbers appeared first on Nicros.
