Kiwis are being urged not to mix backyard sports with alcohol this summer after more than 100 people injured themselves with plastic cricket bats and frisbees last year.

The government's Accident and Compensation Corporation says summer brings with it an increase in alcohol consumption during outdoor recreational activities.

It estimates alcohol contributes to around 11 per cent of all claims, while sports and recreation led to 450,000 injuries last year.

According to ACC figures, last summer 23 Kiwis were injured with a plastic cricket bat while 86 people were injured by a frisbee.

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"Injuries can happen anywhere, at any time, to anyone - but there are really simple things you can do to reduce your risk of getting hurt," ACC chief customer officer Sid Miller said.

"Taking a few precautions is likely to greatly increase your enjoyment of summer."

- AAP