Many current training programs have evolved to emphasize strengthening muscles of the core, that is, muscles of the trunk and pelvis. Core training, especially for rock climbers, should be specific to the required skills; maintaining body tension from your fingers to your toes – not rectus abdominal flexion!

I define core strength as the ability to attain and maintain proper alignments of proximal body parts (torso) during movement, in order to heighten the efficiency of distal body parts (arms and legs). The musculoskeletal system works as a system of levers, therefore the fulcrums of these lever systems must be stabilized for proper force generation.