Research; It is a planned, non-invasive, controlled study in obese female volunteers and non-obese female volunteers. The population of the study consists of voluntarily non-obese women and obese women. Sarcopenia assets of individuals will be measured with the sarc-f questionnaire, and then muscle strength, muscle mass and physical performance tests will be measured. Then, rectus femoris muscle thickness will be measured with USG, and then walking and balance will be measured with ZEBRIS.

Inclusion Criteria:

• Being over 18 years old and female
• Volunteering and accepting to participate in the study
• BMI 30-39.9 kg/m2 in obese women (experimental group)
• BMI 18-27.9 kg/m2 in non-obese women (control group)
• Not having cardiorespiratory, neurological, orthopedic and metabolic disorders

Exclusion Criteria:

• Being under 18 years old and male
• Having a BMI of 40.0 kg/m2 and above in obese women (experimental group)
• BMI 28.0 kg/m2 and above in non-obese women (control group)
• Having cardiorespiratory, neurological, orthopedic and metabolic disorders

Only women will be included in the study.

The population of the research consists of voluntarily non-obese women residing in Kütahya/Center and obese women voluntarily participating in the study at Kütahya Evliya Çelebi Training and Research Hospital Physical Therapy and Rehabilitation Hospital Obesity School.