@muscl.etheory
Explore Personal Development Creators🏋️ Science-Based Fitness & Self Improvement 🔥 Build Muscle • Better Skin • Better Posture ⬇️ Muscle Theory Guides
Outreach This Creator For FreeReaching 55.3K followers on Instagram, Muscle Theory is a Fitness creator. The account posts mainly around fitness and beauty topics. Muscle Theory has shared 41 posts to date, currently around 1 post a week. Typical posts draw 14,668 likes and 271 comments, putting engagement at 27.01%.
Muscl.etheory's Instagram presence spans 41 posts and 55.3K followers, profiling it as a Fitness account.
For Fitness accounts with 10K–100K followers, Muscl.etheory's 27.01% engagement rate is in the top quarter (median: 2.04%), a read from 6,024 accounts in the InstME index.
At one comment per 54 likes, the ratio points to a healthy amount of conversation.
Over recent weeks, Muscl.etheory has published about one post per week.
Estimated sponsored-post value
$770–$1,400
Based on 55.3K followers and a 27.01% engagement rate, a single sponsored post by Muscl.etheory is worth an estimated $770–$1,400. This is a modeled range, not a quoted rate, actual pricing varies by niche, content format, usage rights and exclusivity.
Audience (estimated)
Est.Predominantly men · mostly 18–34
Typical for Fitness creators, modeled from the niche, not measured for this account.
Content Focus
Primary: Fitness
Secondary: Beauty
| Metric | Muscl.etheory | Cohort median |
|---|---|---|
| Engagement rate | 27.01% | 2.04% |
| Average likes | 14,668 | 523 |
| Average comments | 271 | 23 |
| Posts per week | 1.15 | 0.28 |
Median values from 6,024 Fitness accounts with 10K–100K followers in the InstME index, refreshed Jul 19, 2026.
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Last reviewed: Sep 22, 2026
Muscle Theory is a fitness creator on Instagram, with 55.3K followers.
Muscle Theory posts on Instagram as @muscl.etheory.
Muscle Theory has 55,312 followers on Instagram (55.3K) as of Sep 22, 2026.
Muscle Theory's engagement rate is 27.01%, calculated from average likes and comments per post relative to followers. That is in the top quarter (median: 2.04%) for Fitness accounts with 10K–100K followers in the InstME index.
Posts by Muscle Theory average 14,668 likes and 271 comments.
Muscle Theory posts about 1 time per week on average.
Muscle Theory is registered as a creator account on Instagram.
Muscle Theory is categorized as a fitness and beauty account in the InstME index, based on the profile's bio and Instagram category across 41 posts.
A sponsored post from Muscle Theory is estimated at $770 to $1,400. This is a model based on audience size and engagement, not a rate card, so real pricing is set by the creator.
Total Posts
41
Avg Comments
271
Engagement
0.69%