EFFECT OF INSTRUMENT- ASSISTED SOFT TISSUE MOBILIZATION ON TRIGGER POINTS OF TENSION HEADACHE

INTERVENTION: conventional treatment IASTM CONDITION: ; Musculoskeletal Diseases ; Orthopaedics Musculoskeletal Diseases Orthopaedics PRIMARY OUTCOME: frequency of headache headache intensirty Pain Pressure Threshold by pressure algometer SECONDARY OUTCOME: function by neck disability index INCLUSION CRITERIA: 1) Their age ranged from 30 to 40 years, 2) BMI ranged from 18 to 25 kg /m2. 3) TTH criteria according to Headache Classification Committee of the International Headache Society (HIS 2013) has at least two of the following characteristics: a) Bilateral location. b) Pressing/tightening quality (non‐pulsating). c) Mild or moderate intensity. d) Not aggravated by routine physical activity such as walking or climbing stairs. 4) Patients have Trigger points in suboccepital muscle and and trigger points 1, 2 in trapezius muscle The presence of MTrPs will determined using the diagnostic criteria described by Simons 1990, in which five major criteria and at least one of three minor criteria are needed for a clinical diagnosis of MPS, The major criteria were: 1) Regional neck pain. 2) Pain or altered sensation in the expected distribution of referred pain from a myofascial trigger point. 3) Taut band palpable in an accessib