Lake Placid adaptive skiing camp

LAKE PLACID, N.Y. — As they hammered out loops at the Mt. Van Hoevenberg biathlon center, several athletes on sit-ski mountain boards put their heads down. Everything they were doing — five or so laps lasting a few minutes each on pavement and grassy trails — required upper-body strength. At the end of each interval, they reentered the stadium for shooting practice, where the adaptive skiers rolled onto their stomachs and aimed at their targets....