Photo Gallery: Crescenta Valley spring football practice
Arin Boghoz, 16, after flipping the tire, jumps in and out of it, one of many strength training drills for the 2012 Crescenta Valley football season in La Crescenta. (Tim Berger/Staff Photographer)
David Hakobyan, 15, repeatedly presses a 100-pound sandbag over his head, one of many strength training drills for the 2012 Crescenta Valley football season in La Crescenta. (Tim Berger/Staff Photographer)
Andrew Kiorkof, 16, flips a large, heavy tire, one of many strength training drills for the 2012 Crescenta Valley football season in La Crescenta. (Tim Berger/Staff Photographer)
A group of the Crescenta Valley football team do V-like ab exercises, one of many strength training drills for the 2012 Crescenta Valley football season in La Crescenta. (Tim Berger/Staff Photographer)
A leaky sandbag, of about 100-pounds, is repeatedly pressed over the head of Forrest Graves, 17, one of many strength training drills for the 2012 Crescenta Valley football season in La Crescenta. (Tim Berger/Staff Photographer)
Andre Rosacia, 17, lowers his left shoulder into a blocking sled and drives forward, one of many strength training drills for the 2012 Crescenta Valley football season in La Crescenta. (Tim Berger/Staff Photographer)
Large, heavy tires are flipped over and over, one of many strength training drills for the 2012 Crescenta Valley football season in La Crescenta (Tim Berger/Staff Photographer)
Christofher Rivera (cq), 16, runs with two sandbags, one of many strength training drills for the 2012 Crescenta Valley football season in La Crescenta. (Tim Berger/Staff Photographer)
A group of Crescenta Valley football players, after pushing the blocking sled, rush through it, one of many strength training drills for the 2012 Crescenta Valley football season in La Crescenta. (Tim Berger/Staff Photographer)
Chris Kim, 16, gets to the end of a leg of a squat walk with a 100-pound sandbag, one of many strength training drills for the 2012 Crescenta Valley football season in La Crescenta. (Tim Berger/Staff Photographer)
Dropping into a squat, 100-pound sand bags are carried 20 yards, one of many strength training drills for the 2012 Crescenta Valley football season in La Crescenta. (Tim Berger/Staff Photographer)
Ben Rees, 16, runs with two sandbags across the football field, one of many strength training drills for the 2012 Crescenta Valley football season in La Crescenta. (Tim Berger/Staff Photographer)
