What a herniated disc, kettlebells, and a lifelong love of surfing taught me about strength.I am 51 years old, and I’ve been surfing since I was a little boy. Surfing has always been a big part of my life—the connection to the ocean, the challenge, and the feeling you can’t really find anywhere else. But in 2015, everything changed when I suffered a disc herniation at L4-L5.