Table 2 older article from 2002 trigger points tight knots or bands in the muscle http://www.aafp.org/afp/2002/0215/p653.html http://www.aafp.org/afp/2002/0215/p653.html http://www.aafp.org/afp/2002/0215/p653.html Figure 1 American Family Physician http://www.aafp.org/afp/2002/0215/p653.html Table 4 http://www.aafp.org/afp/2002/0215/p653.html Table 1 http://www.aafp.org/afp/2002/0215/p653.html Table 3 Figure 3c American Family Physician http://www.aafp.org/afp/2002/0215/p653.html http://www.aafp.org/afp/2002/0215/p653.html trigger points Trigger Points: Diagnosis and Management Botox trigger points aafp.org/afp/2002/0215/p653 Figures 3a Figure 2 http://www.aafp.org/afp/2002/0215/p653.html http://www.aafp.org/afp/2002/0215/p653.html http://www.aafp.org/afp/2002/0215/p653.html 3b http://www.aafp.org/afp/2002/0215/p653.html http://www.aafp.org/afp/2002/0215/p653.html American Academy of Family Physicians: Trigger Points http://www.aafp.org/afp/2002/0215/p653.html