Summary. 1  Some knowledge of basic first aid could mean the difference between life and death. 2  Consider doing a first aid course, so that you will be able to manage if someone is injured or becomes ill. 3  CPR is a life-saving skill that everyone should learn. 4  Keep a range of first aid kits handy at home, in the car and at work.
The loss of motor neurons leads to weakness and wasting (atrophy) of muscles used for activities such as crawling, walking, sitting up, and controlling head movement. In severe cases of spinal muscular atrophy, the muscles used for breathing and swallowing are affected.
Muscle atrophy. Muscle atrophy is the wasting or loss of muscle tissue. Causes. There are two types of muscle atrophy: disuse and neurogenic. Disuse atrophy is caused by not using the muscles enough. This type of atrophy can often be reversed with exercise and better nutrition.