Inclusion Criteria:  Patients aged 18-50 years old Diagnosed with FAIS according to the Warwick agreement Patients having cam morphology should have an alpha angle of > 55 degrees on an anterior-posterior radiograph. Patients having pincer should have a lateral centre edge angle of >39 degrees on an anterior-posterior radiograph. Lateral joint space width should be >3 mm. Body mass index is below 30. Motivated for participation in a 12 week training program with 8 physical attendances.  Exclusion Criteria:  Received physiotherapist-led treatment in the past 3 months, Previous hip surgery in included hip or other major hip injury, Systemic conditions e.g. rheumatoid arthritis, cancer, Chronical pain syndromes, Unable to perform testing procedures, Unable to attend a 12-week treatment program or baseline and follow-up assessments Contraindications to radiographs (e.g. pregnancy) Unable to read or understand questionnaires and/or instructions