Which of the following conditions is NOT typically considered a work-related (occupational) musculoskeletal disorder for dentists?

The gastrocnemius is a calf muscle used in walking, standing on tip-toes, and ankle plantarflexion. While dentists stand for extended periods, gastrocnemius spasm is not a recognized occupational condition specifically associated with dental practice in the way that upper body musculoskeletal disorders are. Carpal tunnel syndrome results from repetitive fine motor movements and tool vibration (associated with dental handpieces and scaling). Chronic erector spinae strain results from forward flexion posture. Cervical spondylosis is accelerated by forward head posture. These are all well-documented occupational hazards for dentists.