small-muscle
adjectiveUK /smɔːl ˈmʌsəl/
US /smɔːl ˈmʌsəl/
Small-muscle means using the little muscles in your body, like in your fingers, to do careful things.
Drawing tiny dots takes small-muscle control in your hands.
OTHER MEANINGS
2. Involving the small muscles of the body, especially the hands and fingers.
Buttoning a shirt is a small-muscle activity.
3. Relating to movements that need careful control rather than strength.
Cutting paper with scissors is a small-muscle task.
4. Describing skills that use the hands for detailed work.
Writing neatly is a small-muscle skill.