By Nick Shook
NFL.com
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Carlos Hyde has officially executed the most expensive front double biceps pose in history.

The flexing pose, popularized by modern bodybuilding pioneers and used by Hyde after a seven-yard reception against Arizona, cost the 49ers running back $9,115 in a league fine, NFL Network Insider Ian Rapoport reported, according to an NFL spokesman.

Hyde struck the pose after a physical tackle by Arizona’s Marcus Cooper brought him down near the Niners’ 40-yard line late in the second quarter of the Cardinals‘ 33-21 win. The flag cost San Francisco 15 yards and effectively killed the drive for the Niners, which ended three plays later on a Blaine Gabbert interception.

Elsewhere in fines from Week 5:

1. Philadelphia Eagles defensive tackle Fletcher Cox was fined $9,115 for ripping the helmet off the head of Detroit Lions quarterback Matthew Stafford on a sack in the Eagles‘ 24-23 loss, Rapoport reported.

The penalty earned Detroit a new set of downs from the Philadelphia nine-yard line, which the Lions used to score a touchdown two plays later.