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2. Aging movement control - Wikipedia

   en.wikipedia.org/wiki/Aging_movement_control

   By the age of 70, these losses occur in both proximal and distal muscles. In biceps brachii and brachialis, old adults show decreased strength (by 1/3) correlated with a reduction in the number of motor units (by 1/2). Old adults show evidence that remaining motor units may become larger as motor units innervate collateral muscle fibers. [2]

3. Muscle fatigue - Wikipedia

   en.wikipedia.org/wiki/Muscle_fatigue

   Muscle fatigue is not the same as muscle weakness, though weakness is an initial symptom. Despite a normal amount of force being generated at the start of activity, once muscle fatigue has set in and progressively worsens, if the individual persists in the exercise they will eventually lose their hand grip, or become unable to lift or push with ...

4. ‘I Started Working Out At 71. A Year Later, 50 Percent Of My ...

   www.aol.com/started-working-71-later-50...

   Here's how she converted 50 percent of her body weight into muscle. ... As I watched her over the years, I feared I’d end up in the same boat. ... but I also moved far away from my friends a few ...

5. Inclusion body myositis - Wikipedia

   en.wikipedia.org/wiki/Inclusion_body_myositis

   Weakness comes on slowly (over months to years) in an asymmetric manner and progresses steadily, leading to severe weakness and wasting of arm and leg muscles. IBM is more common in men than women. [10] Patients may become unable to perform activities of daily living and most require assistive devices within 5 to 10 years of symptom onset.

6. A 70-year-old lost 70 pounds and got into weightlifting. She ...

   www.aol.com/news/70-old-lost-70-pounds-094702226...

   The 70-year-old, who stood at 5-foot-3, weighed 200 pounds after years of mindless snacking and was on blood-pressure medication. MacDonald told Business Insider she bowled and played darts and ...

7. Study Says Some Woman Over 70 Suffering Through 'The ... - AOL

   www.aol.com/news/study-says-woman-over-70...

   A recent study reveals some women over 70 years old are felling more lonely than ever due to the COVID-19 pandemic. Study Says Some Woman Over 70 Suffering Through 'The Silent Epidemic' Due To ...

8. Exercise intolerance - Wikipedia

   en.wikipedia.org/wiki/Exercise_intolerance

   Exercise intolerance is a condition of inability or decreased ability to perform physical exercise at the normally expected level or duration for people of that age, size, sex, and muscle mass. [1] It also includes experiences of unusually severe post-exercise pain , fatigue , nausea , vomiting or other negative effects.

9. Weakness - Wikipedia

   en.wikipedia.org/wiki/Weakness

   Weakness is a symptom of many different medical conditions. [1] The causes are many and can be divided into conditions that have true or perceived muscle weakness. True muscle weakness is a primary symptom of a variety of skeletal muscle diseases, including muscular dystrophy and inflammatory myopathy.