muscle atrophy on astronauts
TRANSCRIPT
Lorenzo Contreras
Muscle waste away Lack of physical activity Disease or injury, leg or arm Few days of weightlessness
Injuries and broken bones Malnutrition Alcohol associated myopathy Aging Lack of physical activity Spinal cord injuries
6 month stay- 30% loose of muscle mass Protein synthesis decreases protein degredation increases Muscle fivers shrink, loose of strength
Work against resistance- 400 pounds aRED- advance resistance excercise device. Not build muscle, maintain it 15% muscle volume lose
https://www.youtube.com/watch?v=m4XXP73kuAU
https://www.youtube.com/watch?v=EsrkUhEil5U