muscle atrophy on astronauts

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Lorenzo Contreras

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Page 1: Muscle Atrophy on Astronauts

Lorenzo Contreras

Page 2: Muscle Atrophy on Astronauts

Muscle waste away Lack of physical activity Disease or injury, leg or arm Few days of weightlessness

Page 3: Muscle Atrophy on Astronauts

Injuries and broken bones Malnutrition Alcohol associated myopathy Aging Lack of physical activity Spinal cord injuries

Page 4: Muscle Atrophy on Astronauts

6 month stay- 30% loose of muscle mass Protein synthesis decreases protein degredation increases Muscle fivers shrink, loose of strength

Page 5: Muscle Atrophy on Astronauts
Page 6: Muscle Atrophy on Astronauts

Work against resistance- 400 pounds aRED- advance resistance excercise device. Not build muscle, maintain it 15% muscle volume lose

Page 7: Muscle Atrophy on Astronauts
Page 8: Muscle Atrophy on Astronauts
Page 9: Muscle Atrophy on Astronauts

https://www.youtube.com/watch?v=m4XXP73kuAU

https://www.youtube.com/watch?v=EsrkUhEil5U