Students in attendance were put to the physical test, with repeated crunches and various core exercises that left pools of sweat on the center court at Matt Knight Arena. (Michael Arellano/Emerald)

Sophomore April Fabrizio stretches out during the last minutes of the workout at Matthew Knight Arena. (Mason Trinca/Emerald)

Several dozen of the free Nike shoes, Fuel Bands and basketballs were on display in the oversize goodie “locker” of giveaway products that was lowered from the rafters at Matt Knight Arena. The iPads included in the product display were not up for grabs, unfortunately, although many students tried to redeem their wristband for one. (Michael Arellano/Emerald)

Nike Master Trainers Alex Molden (right) and Marie Purvis (left) demonstrate the exercise to students at the Nike Fuel Giveaway at Matt Knight. (Mason Trinca/Emerald)

Under the dim glow of Nike’s stage lights, students perform synchronized jumping jacks in between pushups. (Michael Arellano/Emerald)

The Oregon Duck shows off his animated workout version on stage during the the Nike Fuel Giveaway. (Mason Trinca/Emerald)

Junior Tanner Faris and other students throw up the “O” moments before the workout routine began at Matt Knight. (Mason Trinca/Emerald)

Nike Master Trainers Marie Purvis and Alex Molden lead the hundreds of students in attendance through a grueling 30-minute workout. Molden, a 1996 Oregon grad, played four seasons for the Ducks football program from 1991-95, including appearances in the Independence Bowl, Rose Bowl, and Cotton Bowls. Purvis is the creator of the Nike Training Club. (Michael Arellano/Emerald)

Members of the Oregon cheer team open the giant “locker” of Nike products, featuring 50 Fuel Bands, 30 pairs of Nike trainer shoes, and 36 Oregon Ducks training jackets. Throughout the workout, cheer team members distributed wristbands to those who worked out the hardest, and the bands were later redeemable for Nike gear. (Michael Arellano/Emerald)

Students crowd the rope line set up in front of the Nike giveaway “locker,” jostling each other for a chance to win training sneakers, Fuel Bands and other Nike products. (Michael Arellano/Emerald)

Oregon cheerleaders strike a pose prior to the kickoff of the event. (Michael Arellano/Emerald)

Students watch the cheerleaders moments before the event begins at Matt Knight. (Mason Trinca/Emerald)

Sophomore Megan Susnjara signs off a liability and photo release form for the Nike Fuel Giveaway on a glass wall outside Matthew Knight Arena. (Mason Trinca/Emerald)

Hundreds of students turned out for Nike’s promotional event at Matt Knight Arena, featuring a workout led by Nike Master Trainers and free Nike products. (Michael Arellano/Emerald)

Students get fired up over the giveaway box, which was lowered from the rafters and filled with Nike merchandise at Matt Knight Arena. (Mason Trinca/Emerald)