What type of back concern is most likely to arise from repeated excessive exertion during moving and handling?

The option indicating cumulative strain is the most appropriate choice when considering repeated excessive exertion during moving and handling tasks. Cumulative strain refers to the gradual build-up of stress or injury over time due to repetitive physical exertion, awkward postures, or improper lifting techniques.

In the context of manual handling, if an individual frequently lifts heavy objects or performs repetitive movements without adequate recovery time or proper techniques, the risk of developing cumulative strain increases. This can lead to conditions such as muscle fatigue, ligament sprains, and other musculoskeletal disorders.

Cumulative strain is particularly concerning because it often develops insidiously, making it less noticeable until significant discomfort or injury occurs. Addressing ergonomic practices and incorporating proper lifting techniques are crucial in preventing cumulative strain injuries in occupations that require frequent manual handling.