In 2019 and 2021, he suffered right quadriceps injuries, which both required surgeries.

Source: https://nypost.com/2023/07/01/heat-trade-victor-oladipo-draft-compensation-to-thunder/

In the first year of the new deal, Votto injured his left distal quadriceps, had two different stints on the injured list, and played in only 62 games.

Source: https://www.forbes.com/sites/danfreedman/2023/11/14/joey-votto-earned-every-dollar-of-his-contracton-and-off-the-field/

It noted, “Patients sat on a chair and contracted the quadriceps muscles as hard as possible for five seconds.

Source: https://indianexpress.com/article/lifestyle/health/study-strong-leg-muscles-heart-attack-experts-8636214/

Muscle Engagement: Incline walking engages your leg muscles, particularly your quadriceps, hamstrings, and calves, to a greater extent than walking on a flat surface.

Source: https://www.nottinghampost.com/news/uk-world-news/fitness-experts-loving-new-12-8884737

Of more than mild concern, kicker Greg Zeurlein, the hero of Sunday’s 30-28 win over Washington, has a quadriceps injury, according to Saleh and didn’t kick in Tuesday’s walk-through session.

Source: https://nypost.com/2023/12/26/sports/trevor-siemian-to-start-at-qb-for-jets-again-vs-browns/

… Returner/WR Ray-Ray McCloud (wrist) and K Jake Moody (quadriceps) returned to practice and were limited.

Source: https://gorgenewscenter.com/2023/09/06/49ers-sign-nick-bosa-to-a-record-setting-contract-extension-to-end-his-lengthy-holdout/

TORONTO (AP) — Blue Jays shortstop Bo Bichette left Sunday’s game against Cleveland after five innings because of a sore right quadriceps.

Source: https://wtop.com/sports/2023/08/blue-jays-ss-bo-bichette-leaves-game-after-5-innings-with-sore-right-quadriceps/

Well, backwards walking uses muscles that are less active during forward walking, such as your calves and shins, as well as your quadriceps - which is the large muscle at the front of your thigh."

Source: https://www.dailyrecord.co.uk/news/health/michael-mosley-says-one-unusual-31433521