HOUSTON -

Working up a good sweat while pumping iron is not something Jason Roy takes for granted. Three years ago, a crash during a high-speed chase changed his life forever.

It left the 35-year-old medically retired Houston police officer with a broken neck and back.

"I was pretty sure I was going to die that night," Roy said.

He survived but underwent multiple surgeries and had a major stroke. His recovery entailed countless hours in rehab, fighting tooth and nail through physical and emotional pain so he could walk again, and be the kind of father he always imagined himself to be for his 3-year-old son, Jadon.

"He saved me. He gave me the strength to fight. To be honest with you, I wouldn't change nothing in the world," Roy said.

He not only wrote a book about his life-changing journey, he's now launching a foundation to help children with brain and spinal cord injuries. He's determined to give back after witnessing their struggles firsthand in the hospital during his own recovery.

"They were being released because they didn't have the insurance. It was exhausted or ran out or they didn't have the financial resources to continue rehab," said Roy.

Roy's book is titled "Zero 2 A Hundred: Finding My Purpose Through Pain." Proceeds from the book will go toward his new foundation, which bears the same name.

"We want to take this all over the world. We want to bring hope to people," said Roy. "Even if you are in a wheelchair or a hospital bed, it doesn't matter. You can still live. There is still life after a spinal cord injury. I want them to realize if he can make it through that. I can make it through this."

Life still presents Roy with challenges, but he says he's now equipped to handle whatever comes his way.

For more information on Roy's book, click here.