Select the correct statement regarding the specific disorder of muscular or skeletal system.
1
Muscular dystrophy-age related shortening of muscles.
2
Osteoporosis-decrease in bone mass and higher chances of fractures with advancing age.
3
Myasthenia gravis-auto immune disorder that inhibits sliding of myosin filaments.
4
Gout-inflammation of joints due to extra deposition of calcium.