Inclusion Criteria:  men and women ages 18 to 65 years reported good general health tenderness or palpable trigger point in the muscle (infraspinatus, gastrocnemius, or erector spinae)  Exclusion Criteria:  BMI > 30kg/m2 surgery in the prior 12 months current pain in the shoulder, low back, and lower leg precautions to dry needling treatment (anticoagulant medications, bleeding disorders, known pregnancy)