Evaluation of Newly Developed Easy-Open Assistive Devices for Pneumatic Tube System Carriers for the Reduction of Work-Related Musculoskeletal Disorders

Figure 4

Musculoskeletal symptoms according to the number of cases with soreness in the past year (a), cases where the soreness has affected work (b), and cases that were still sore in the past week (c).

(a)

(b)

(c)