[1] Lamaison played most of his rugby as a centre, and possessed reliable distribution and kicking skills, which made up for his only real weakness, a lack of pace.
He made his international debut against South Africa on 30 November 1996 in Paris, and rose to prominence as a key member of France's Grand slam-winning sides of 1997 and 1998.
His goalkicking ability also helped Brive win the Heineken Cup in 1997 and reach the final in 1998.
Lamaison's finest hour came at the 1999 Rugby World Cup in the semifinal against New Zealand at Twickenham.
In 2004, he stopped his professional rugby union career despite lucrative offers from the English side Saracens and played for Saint-Médard-en-Jalles in the Fédérale 2.