00426nam a22001337a 4500020002300000020002000023082001800043100001900061245005400080260003100134300003700165500002100202650006900223  a978831707678 (pbk)  a831707679 (pbk)  a617.564	bCHA  aChambers, Ruth  aBeat back pain bfind your way to ease the strain  aNew delhi bPearson c2007  axvi, 240 p. b; ill. c; 21 cm.   aIncludes index.   aBackache	aBackache--Treatment	vBeatvBack pain vMusclesvFBSH