On Doctoring MEDLINE searches, with reference librarian comments

The question was

"Can electrical stimulation be utilized to increase
muscle mass?"

1 :  exp Muscles/gd [Growth & Development]         {3754}
2 :  Electric stimulation/ or Electric stimulation therapy/ or         {81534}
"electrical stimulation".mp.
3 :  1 and 2         {101}
4 :  "MUSCLE MASS".mp.         {2206}
5 :  3 and 4         {3}
6 :  2 and 4         {75}
7 :  Growth/ or "growth".mp.         {337508}
8 :  6 and 7         {5}
9 :  from 8 keep 4-5         {2}
10 :  from 9 keep 1-2          {2}

Reference Librarian comments

Good job. You "exploded" MeSH terms and combined search statements,
etc. This might be an interesting search for BIOSIS (Biological
Abstracts) as well as a SPORTS database.