[Photography courtesy of James C. Svehla]
"Sometimes we'll march in place while singing 'When Johnny Comes Marching Home Again,'" Jager said. "If they can't march in place, they can tap their toes."
Any movement can be geared to the ability of each participant, Jager said.
"If they're only able to move one arm, that's fine," Jager said. "Instead of waving scarves in big circles, they can do little circles...any movement is better than no movement."