Answer Kinesiology discussions (at least 100 words each questions)

Must include citations / works cited  for each questions. 

Question 1 : Watch the these two YouTube videos and answer the following questions : 

First video - Bones:The Skeletal System: Crash Course A&P #19

Second video - Joints:Joints: Crash Course A&P #20 

Use the internet, books, or other resources to observe a microscopic image of healthy bone tissue vs. tissue affected by osteoporosis. On the cellular level, how do osteoblasts and osteoclasts work together to maintain healthy bone function? Define the function of both osteoblast and osteoclasts in bone remodeling. 

Question 2 : Give three examples of shoulder region injuries with their explanations. The explanation should include a description of the injury and the cause of injury. Please LIST the injuries followed by their explanations. 

Question 3 : List the body part, then name and describe at ONE injury for each and how it occurs.