In some photos after the show, Chase is with fans, while an ice pack is wrapped around his knee, which he injured in the fall.

Source: https://kpel965.com/ixp/29/p/chevy-chase-falls-off-stage/

Step 2 is to apply a cold compress, a flannel or cloth with cold water or an ice pack.

Source: https://www.dailystar.co.uk/health/chemist-shares-three-step-advice-31235532

The NHS recommends resting the affected joint, using an ice pack, taking pain killers and weight loss for those who are overweight or obese.

Source: https://www.dailymail.co.uk/health/article-12535245/Ultimate-guide-avoiding-joint-pain-osteopath.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Tommaso Allan has replaced Garbisi, who is holding an ice pack on his right shoulder.

Source: https://www.theguardian.com/sport/live/2023/feb/25/italy-v-ireland-six-nations-2023-live

When carrying packed food, use a cooler or ice pack and avoid leaving it exposed to direct sunlight.

Source: https://palisadesnews.com/heat-warning-for-los-angeles-county-in-effect-for-holiday-weekend/