Thirty healthy individuals will be participants of the study. Participants will evaluate with the following assessment tools: Demographic datas; age, gender, height, body mass, will be recorded. Postural sway and limits of stability parameters will evaluate with computerized balance evaluation system (BERTEC) for seven times .

Thirty healthy individuals will be participants of the study. Participants will evaluate with the following assessment tools: Demographic datas; age, gender, height, body mass, will be recorded. Postural sway and limits of stability parameters will evaluate with computerized balance evaluation system (BERTEC) for seven times. Every seven evaluations will be repeated while participants in combination of the condition including eyes open, eyes closed, normal surface and perturbated surface.

Inclusion Criteria:

• Want to participate

Exclusion Criteria:

• Have passive joint limitation at extremities
• Surgery at last 5 year
• Systemic problems such as neurologic disorders, rheumatoid disorders…
• Another orthopedic anomalies

Healthy individuals