New Zealand snowboard slopestyle and big air athlete Tiarn Collins has withdrawn from the Winter Olympics.

Collins, age 18, fell during pre-competition training on the slopestyle course last week. He landed on and dislocated his shoulder.

He was subsequently unable to compete in the slopestyle event alongside team mate Carlos Garcia Knight.

The team worked with Collins on an ongoing assessment and rehabilitation plan, enabling the young athlete to aim for a return to competition in time for the big air competition from 21st February.

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Unfortunately, Collins will not be ready to compete on this date and, on advice from his medical team, has been withdrawn.

Chef de Mission Pete Wardell said the team is hugely disappointed for the teenager.

"It's been a tough decision for Tiarn, his family and the team but the nature and severity of the injury and the demands on the shoulder have resulted in this decision.

"He's incredibly sore and limited in his movement, but still, he really wanted to compete.

"He has done everything he possibly could to be ready."

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Wardell commended Collins for his attitude and composure during this difficult period.

"He's been a hugely supportive and positive influence on those still competing, even though this situation has been devastating for him. This reflects a maturity beyond his years.

"He has massive potential. His character, capability and success to date on the world cup scene mean his future is bright."

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