Which of the following is not classified as a musculoskeletal injury?

Pes Planus, commonly known as flat feet, is considered a structural deformity of the foot rather than a musculoskeletal injury. Musculoskeletal injuries typically involve damage to muscles, tendons, ligaments, or bones that result from acute trauma or overuse. Pes Planus results from the arches of the foot not forming correctly during development, leading to potential issues with alignment and biomechanical function, but it does not arise from an injury or acute event.

On the other hand, sciatica, whiplash, and carpal tunnel syndrome are all conditions that involve injury or irritation to the musculoskeletal system, caused by trauma or repetitive strain, which categorizes them distinctly as musculoskeletal injuries. This distinction between structural deformities and injuries is critical in understanding various conditions within the scope of massage therapy and rehabilitation.