Category Nuances for back_strain:

• serious,
• occupational,
• musculoskeletal,
• adverse,
• unpleasant,
• spinal,
• simple,
• moderate,
• related,
• physical,
• acute,
• relevant,
• common,
• traumatic,
• medical,

Simple Categories for back_strain:

• discomfort,
• disorder,
• injury,
• sickness,
• strain,
• condition,
• case,