Final answer:
Musculoskeletal disorders are injuries in muscles or associated tissues due to biomechanical stresses. They can be caused by various factors and often affect specific muscles. Treatment and recovery are possible for these disorders.
Step-by-step explanation:
Musculoskeletal disorders are injuries in muscles or associated tissues (such as tendons) because of biomechanical stresses. They may be caused by sudden exertion, over-exertion, repetitive motions, or long periods of maintaining awkward positions.
Musculoskeletal disorders often work- or sports-related, and generally, just one or a few muscles are affected. They can often be treated successfully, and full recovery can be very likely. The disorders include muscle strains, tendonitis, and carpal tunnel syndrome.