Oh My Aching Back
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Shows workmen the correct method of lifting, including good posture, position and smooth application of lifting power. Illustrates how strains occur and how discs are pinched. Emphasizes the need for proper lifting and handling of working tools and materials.
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Sources
- A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, year, creator, length, format, sound, description
- 16mm Filmography (legacy record) — catalog record
- usgov-av-1974 — title, year, creator, length, color, sound, description
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