RecruitingClinical trialHVLAT, Electric DN, Exercise Vs. Mobilization, STM, Exercise, TENS for Tension Type HeadachesThe purpose of this research is to compare two different approaches for treating patients with tension-type headaches: thrust Manipulation, electric dry Needling and exercise Vs. non-thrust mobilization, soft-tissue mobilization, exercise and TENS. Physical therapists commonly use all of these techniques to treat tension-type headaches. This study is attempting to find out if one treatment strategy is more effective than the other.