Question

the decrease in muscle size due to in activity or lack of muscle use? a spotter b atrophy c recovery

Explanation:

• A "Spotter" is someone who assists in weightlifting for safety, not related to muscle size decrease.
• "Atrophy" is the term for the decrease in muscle size due to inactivity or lack of use.
• "Recovery" refers to the process of regaining strength or healing, not muscle size reduction from disuse.

Answer:

B. Atrophy