Josh Henkin has been involved in the Strength and Conditioning field for the past fifteen years. In 2005 Josh wrote the highly popular training manual, "Sandbag FUNdamentals", the success of the book led Josh to create a very specific system of incorporating sandbags into fitness and performance programs. Creating the system inspired Josh to develop the most versatile and durable sandbag specifically designed for strength and conditioning programs, "The Ultimate Sandbag".

His contributions to the industry extend to being a contributor writer for over fifteen online and print publications. In addition, Josh has been a national speaker as well as leading innovative workshops and seminars. His website is www.sandbagfitnesssystems.com

If you are not yet a member of the Underground you can learn more about Membership here: http://www.undergroundstrengthcoach.com/public/10.cfm