Table 2. History of the studied participants.

		n=500
Do you suffer from any chronic diseases such as: DM, HTN or rheumatism?	Yes	71 (14.2%)
	No	429 (85.8%)
Do you suffer from any bone problems: (neck, shoulder, elbows, or wrist)?	Yes	167 (33.4%)
	No	333 (66.6%)