Yankees INF Kevin Youkilis (lumbar spine sprain) has resumed limited on-field work, playing catch and fielding grounders on the infield grass.

WSJ: Yankees cooled off by Indians, Masterson 1-0

Kevin Youkilis joined Derek Jeter, Alex Rodriguez, Mark Teixeira and Curtis Granderson on the disabled list Tuesday because of a lumbar spine sprain.

WSJ: Kuroda and Hafner lead Yankees over Astros 7-4

The 34-year-old Youkilis joined Derek Jeter, Alex Rodriguez, Mark Teixeira and Curtis Granderson on New York's star-studded disabled list Tuesday because of a lumbar spine sprain.

WSJ: Yankees INF Youkilis happy with back prognosis

To compensate for reduced rotation of the lumbar spine, the hip rotation of golfers wearing hard corsets increased, reducing stress on the lower spine, according to researchers.

WSJ: Allergy Relief Without Shots

New York 1B Mark Teixeira (wrist) and INF Kevin Youkilis (lumbar spine sprain) faced six minor league pitchers in a simulated game at the team complex in Tampa, Fla.

WSJ: Orioles hit 3 HRs in 6-3 win over Yankees

During a swing, the shoulder turns completely while the pelvis remains relatively stationary facing the ball, causing stress on the lower spine or lumbar region, the researchers said.

WSJ: Allergy Relief Without Shots