The phrase "cage confinement" means keeping something, like an animal or a person, inside a cage or enclosure with limited space and freedom. Full definition
She had cage confinement for 10 days, followed by 20 days of walking only exercise, of 5 minutes and building up to 10 minutes three times a day. (vetinfo.com)
Many conditions will need rest, either before or after surgery, which may require cage confinement. (wagwalking.com)
We only recommend cage confinement when a dog is having serious complications, like trouble breathing, or coughing up blood. (yourpetsbestfriend.com)