How to Avoid Muscle Strain
Sign in to track this film in your collection or want list.
Explains the structure, operation, and limitations of muscles, and shows where strains most frequently occur. Suggests proper methods of lifting and pushing.
Related films
Sources
- 16mm Filmography (legacy record) — title, year, creator, format, description, catalog record
Original permalink · Record added 2024-04-22 14:02:33