When you flex your muscles you are contracting them. When your muscle fibers gain tension through Actin and Myosin crossbridge cycling they may shorten due to the tension. This is called muscle contraction
I believe it is A I’m not 100% tho
Answer:
D. Osteoarthritis
Explanation:
Osteoarthritis -
It is one of the form of arthritis , which is very commonly seen to have affected most of the people , in this medical condition , the protective cartilages present in the ends of the bone gets hampered .
The most common parts which gets affected are the hands , spine , knees and hips .
The symptoms of Osteoarthritis are -
- Joint pain
- swelling
- limited flexibility of joints
- tenderness
- Grating sensation , etc.
The damaged caused to the joints can not be recovered completely , but the symptoms can be controlled.
Maintaining healthy diet , proper exercise and proper medication can help with the condition .
Hence, from the given scenario of the question ,
The correct answer is D. Osteoarthritis
