FILE - In this Jan. 27, 2011 file photo Ira Abney negotiates snow-covered subway stairs in the aftermath of a winter storm in Philadelphia. Doctors across the battered Northeast are seeing a spike in ... more 
FILE - In this Jan. 27, 2011 file photo Ira Abney negotiates snow-covered subway stairs in the aftermath of a winter storm in Philadelphia. Doctors across the battered Northeast are seeing a spike in strained muscles from shoveling snow, broken bones from slick stairs and sidewalks, and dangerously low blood banks as fewer people venture out. less 
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Associated Press | Photo By Matt Rourke, File
Thu, Feb 10, 2011 4:47 PM EST