A rotator cuff tear can extend or get larger over time. This can occur with repetitive use or a re-injury. It is common for patients with known rotator cuff disease to have acute pain and weakness following a minor injury. This likely represents extension of an existing tear. If you know you have a rotator cuff tear, then worsening pain and decreasing strength may mean the tear is getting larger.
Report Abuse. Ethnic groups refers to the blood line you were born into. Religion is a choice. Anyone can choose to belong to any religion but your blood line is chosen for you and can not be changed.
1 Ethnicity is a socially defined category based on common language, religion, nationality, history, or another cultural factor. 2  Sociologists see race and ethnicity as social constructions because they are not rooted in biological differences, they change over time, and they never have firm boundaries. Race is a socially defined category, based on real or perceived biological differences between groups of people. 2  Ethnicity is a socially defined category based on common language, religion, nationality, history, or another cultural factor.