isolation exercise
/ˌaɪsəˈleɪʃən ˈɛksəsaɪz/
CommonAn exercise that targets a single muscle group by moving through only one joint.
Real-world examples3 examples
| # | Example | What it means | Source |
|---|---|---|---|
| 01 | my biceps are behind my triceps. adding more isolation exercises to every pull session | The person is using targeted single-joint work to fix a muscle imbalance. | reddit, 2024 |
| 02 | beginners don't need isolation exercises. just squat and deadlift and eat enough | Arguing that new lifters should focus on compound movements rather than single-joint work. | reddit, 2023 |
| 03 | compounds build the base but isolation exercises are what actually make you look built | Arguing that the detail and aesthetic come from targeted single-muscle work. | x, 2024 |
Use it when
- Referring to single-joint exercises that target one specific muscle.
- Discussing how to target a lagging muscle group.
- Contrasting accessory work with foundational compound lifts.
- Describing the supplementary exercises at the end of a training session.
Do not use it when
- You mean exercises that recruit multiple muscle groups.Use “compound-movement” instead.
Variations and related forms
Isolation exercise vs compound movement
isolation exercise
Isolation exercises target a single muscle through one joint, good for detail and weak-point training.
VS
compound-movement
Compound movements recruit multiple muscle groups and joints, better for overall strength and mass.
Origin and context
Developed as a concept in bodybuilding and physical therapy to describe exercises that load a single muscle without involving others. Became standard gym vocabulary through bodybuilding culture and fitness education.
- First seen
- mid-20th century
- Confidence
- high
Cite this page
Use this stable URL to reference the entry.
https://slang.fyi/isolation-exerciseUpdated: 2026-08-28License: CC BY 4.0