Modifiers matching workout:

• light,
• strenuous,
• cardiovascular,
• aerobic,
• regular,
• individual,
• heavy,
• physical,
• simple,
• structured,
• therapeutic,
• hard,
• anaerobic,

Simple categories matching anaerobic:

• sport,
• activity,
• workout,
• strain,
• bacteria,
• pathogen,
• microbe,
• exercise,
• training,
• system,
• species,
• skill,
• work,
• organism,
• mixture,
• situation,
• eukaryote,
• quality,
• container,
• microorganism,