According to a Natural News article on Kettlebells, “The world’s most famous spine expert, Dr. Stuart McGill, discovered some unique loading patterns during the kettlebell swing. These loading patterns and the strengthening of the posterior chain contribute to the improved back health some people experience from doing kettlebell exercises. Other studies support these findings and also show that properly performed kettlebell movements reduce pain in the neck and shoulders.”
Kettlebells move with the bodies natural way of movement. They combine strength training and cardio in one .
The Old-School Tough.