Christian McCaffrey explains how he got his viral bulging biceps

The biggest story in the NFL since the draft, at least among those not involving lawyers, might be Christian McCaffrey’s biceps.

Hey, it’s a slow time in the NFL. And, McCaffrey is surprisingly yoked.

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The Carolina Panthers running back was photographed at a workout, and it turned heads.

McCaffrey explained to ESPN’s David Newton the how and why behind his amped-up physique.

Christian McCaffrey has intense routine

McCaffrey and his trainer, Brian Kula, who also coached McCaffrey in track at Valor Christian High School near Denver, said his routine goes from Monday through Friday. He has three intensive training days a week.

Newton wrote the training days start with performance therapy on his body to check for any imbalances. Then a dynamic warmup and activation routine of linear and lateral development. Then McCaffrey hits the weights — we could guess that was part of it, based on the photo — and afterward recovers with massage, chiropractic work and sometimes sessions in the pool or sauna.

McCaffrey isn’t trying to look good at the beach this summer, all of his workouts have a purpose for football.

“Somebody has eyes on me all the time," McCaffrey told ESPN. “My training is very specific to my sport, so it’s a lot of fast, explosive movements. It’s very pertinent to exactly what I do on the football field, which is fast burst in short spaces. Every once in a while, I’ll get in the top end."

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Panthers running back Christian McCaffrey
MINNEAPOLIS, MN - FEBRUARY 02: Christian McCaffrey of the Carolina Panthers attends SiriusXM at Super Bowl LII Radio Row at the Mall of America on February 2, 2018 in Bloomington, Minnesota. (Photo by Cindy Ord/Getty Images for SiriusXM)
Carolina Panthers running back Christian McCaffrey at the team's first practice of training camp at Wofford College in Spartanburg, S.C., on Wednesday, July 26, 2017. (Jeff Siner/Charlotte Observer/TNS via Getty Images)
CHARLOTTE, NC - AUGUST 09: Christian McCaffrey #22 of the Carolina Panthers runs against the Houston Texans during the preseason game at Bank of America Stadium on August 9, 2017 in Charlotte, North Carolina. (Photo by Grant Halverson/Getty Images)
CHARLOTTE, NC - AUGUST 31: Christian McCaffrey #22 of the Carolina Panthers watches on against the Pittsburgh Steelers during their game at Bank of America Stadium on August 31, 2017 in Charlotte, North Carolina. (Photo by Streeter Lecka/Getty Images)
CHARLOTTE, NC - AUGUST 25: NFL player Christian McCaffrey of the Carolina Panthers sits down to play 'Call of Duty: WWII' during its first beta via livestream at The Westin Charlotte on August 25, 2017 in Charlotte, North Carolina. (Photo by Lance King/Getty Images for Activision)
SANTA CLARA, CA - SEPTEMBER 10: Christian McCaffrey #22 of the Carolina Panthers looks on during pregame warm ups prior to playing the San Francisco 49ers at Levi's Stadium on September 10, 2017 in Santa Clara, California. (Photo by Thearon W. Henderson/Getty Images)
SANTA CLARA, CA - SEPTEMBER 10: Christian McCaffrey #22 of the Carolina Panthers warms up during pregame warm ups prior to playing the San Francisco 49ers at Levi's Stadium on September 10, 2017 in Santa Clara, California. (Photo by Thearon W. Henderson/Getty Images)
CHARLOTTE, NC - SEPTEMBER 24: Christian McCaffrey #22 of the Carolina Panthers runs against the New Orleans Saints during their game at Bank of America Stadium on September 24, 2017 in Charlotte, North Carolina. (Photo by Grant Halverson/Getty Images)
CHARLOTTE, NC - OCTOBER 12: Christian McCaffrey #22 of the Carolina Panthers celebrates a fourth quarter touchdown against the Philadelphia Eagles during their game at Bank of America Stadium on October 12, 2017 in Charlotte, North Carolina. (Photo by Streeter Lecka/Getty Images)
FOXBOROUGH, MA - OCTOBER 01: Carolina Panthers running back Christian McCaffrey (22) gets around end during a game between the New England Patriots and the Carolina Panthers on October 1, 2017, at Gillette Stadium in Foxborough, Massachusetts. (Photo by Fred Kfoury III/Icon Sportswire via Getty Images)
TAMPA, FL - OCTOBER 29: Christian McCaffrey #22 of the Carolina Panthers looks on before a game against the Tampa Bay Buccaneers at Raymond James Stadium on October 29, 2017 in Tampa, Florida. The Panthers defeated the Bucs 17-3. (Photo by Joe Robbins/Getty Images)
CHARLOTTE, NC - NOVEMBER 05: Carolina Panthers running back Christian McCaffrey (22) celebrates a touchdown during 1st half of the Carolina Panthers versus the Atlanta Falcons on November 5, 2017, at Bank of America Stadium in Charlotte, NC. (Photo by Jaylynn Nash/Icon Sportswire via Getty Images)
EAST RUTHERFORD, NJ - NOVEMBER 26: Running Back Christian McCaffrey #22 of the Carolina Panthers in action against the New York Jets during their game at MetLife Stadium on November 26, 2017 in East Rutherford, New Jersey. (Photo by Al Pereira/Getty Images)
CHARLOTTE, NC - DECEMBER 17: Christian McCaffrey #22 of the Carolina Panthers runs the ball against the Green Bay Packers in the first quarter during their game at Bank of America Stadium on December 17, 2017 in Charlotte, North Carolina. (Photo by Grant Halverson/Getty Images)
CHARLOTTE, NC - DECEMBER 24: Carolina Panthers running back Christian McCaffrey (22) during the first half between the Tampa Bay Buccaneers and the Carolina Panthers on December 24, 2017 at Bank of America Stadium in Charlotte, N.C. (Photo by Jim Dedmon/Icon Sportswire via Getty Images)
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McCaffrey worried about speed, not size

McCaffrey said in the story he weighs 211 pounds, which is only six pounds more than he weighed at the combine. While it looked in that picture like he’s trying to add mass, the story said he’s focused on speed.

“To me, speed kills," McCaffrey told ESPN.com. “And the league is changing now, especially at the running back position, to where the faster you are, the more dynamic you are, not only with the ball in your hands, but running routes and being able to break tackles. That all has to do with speed.”

All the workouts also help with durability, which has been a big story this offseason. McCaffrey became a true workhorse back in 2018, logging 326 touches and rarely coming off the field. He told Newton he wants the ball as much as possible again, adding, “That’s why I train.”

McCaffrey was well known coming into the NFL, and was a bonafide star in 2018. He’s already been a star of this offseason, too.

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Frank Schwabis a writer for Yahoo Sports. Have a tip? Email him at shutdown.corner@yahoo.com or follow him on Twitter! Follow @YahooSchwab

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