Final answer:
The general guidelines for training volume for general muscle fitness include muscle-strengthening activities and aerobic activity.
Step-by-step explanation:
When it comes to training volume for general muscle fitness, there are some general guidelines to follow. The American College of Sports Medicine recommends that adults do muscle-strengthening activities involving all major muscle groups on two or more days per week.
These activities can include exercises such as push-ups, sit-ups, squats, and lifting weights. Additionally, the guidelines suggest that adults should do at least 150 minutes to 300 minutes per week of moderate-intensity aerobic activity or 75 minutes to 150 minutes per week of vigorous-intensity aerobic activity, or a combination of both.