ﺑﺎﺯﮔﺸﺖ ﺑﻪ ﺻﻔﺤﻪ ﻗﺒﻠﯽ
خرید پکیج
تعداد آیتم قابل مشاهده باقیمانده : -5 مورد

Improper mechanics: Twisting at the waist while carrying a load

Improper mechanics: Twisting at the waist while carrying a load
Courtesy of Sharon Alzner, MPT.
Graphic 74843 Version 2.0