PLIBEL is a questionairre developed by Kristina Kemmlert for identification of musculoskeletal stress factors which may have injurious effects on operators or workmen. The check list examines issues related to five body regions.
1. Neck, shoulders, upper part of the back
2. Elbows, forearms, hands
4. Knees and hips
5. Low back
The questionairre has 17 items with some items having sub-items.
For some more details and references of Kemmlert's articles
For a filled checklist (Table B-6 and Table B-11) along with other types of evaluations for shear Operators)