Which of the following is the correct pairing regarding to a specific disorder of muscular or skeletal system?

Gout - Inflammation of joints due to accumulation of uric acid crystals.

The correct answer is Option (4) - Gout - Inflammation of joints due to accumulation of uric acid crystals.

Disorders of muscular and skeletal system are:

• Myasthenia gravis is an auto immune disorder affecting neuromuscular junction leading to fatigue, weakening and paralysis of skeletal muscle.
• Muscular dystrophy is a progressive degeneration of skeletal muscle mostly due to genetic disorder.
• Tetany is a rapid spasm (wild contractions) in muscle due to low Ca⁺⁺ in body fluid.
• Arthritis is an Inflammation of joints.
• Osteoporosis is an age-related disorder characterised by decreased bone mass and increased chances of fractures. Decreased levels of estrogen is a common cause.
• Gout is an inflammation of joints due to accumulation of uric acid crystals.