Inclusion Criteria:  postmenopausal women their age will range from 50 to 60 years their body mass index (BMI) will range from 25 to 28 kg/m2  Exclusion Criteria:  any identified or acquired dental defects existing dental prosthesis use, visual, voice and hearing disabilities facial paralysis orofacial, neck or shoulder fractures or procedures fixed or mobile spinal deformity headache migraine any vestibular or neurological condition that may impair TMJ proprioception.