Jump Training – 15 pound Sandbag Jam
Posted on March 18, 2010
Dave Lemanczyk of Basketball Strength slam dunks a 15 pound sandbag with ease. The Basketball Strength training system greatly improves vertical jumping! www.basketballstrength.com
Dave Lemanczyk of Basketball Strength slam dunks a 15 pound sandbag with ease. The Basketball Strength training system greatly improves vertical jumping! www.basketballstrength.com