# Muscular System > Explore the Muscular System’s muscles and movement with articles and quizzes. Canonical page: [https://chrome-stats.com/d/com.afra.muscularsystem](https://chrome-stats.com/d/com.afra.muscularsystem) ## Overview - **ID:** `com.afra.muscularsystem` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** AFRA Dev - **Category:** MEDICAL - **Downloads:** 8,660 - **Rating:** 4.45 / 5 (206 ratings) - **Version:** 1.5.0 - **Last updated:** 2025-11-15 - **First published:** 2019-10-09 - **Publisher country:** ID - **Size:** 25 MB - **Data as of:** 2026-09-11 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.afra.muscularsystem) - **Website:** [https://afra.web.id/](https://afra.web.id/) - **Privacy policy:** [https://afra.web.id/privacy-policy/](https://afra.web.id/privacy-policy/) ## Description Learn the muscular system through detailed articles, clear diagrams, and interactive quizzes.

Available in six (06) languages: English, Spanish, French, German, Portuguese, and Italian

Understand how muscles produce movement and maintain posture in an easy, interactive way. Perfect for students, medical and nursing learners, or anyone interested in human anatomy and muscle function.

Topics covered:
• Overview of the muscular system
• Types of muscles: skeletal, cardiac, smooth
• Structure of skeletal muscle (fibers, myofibrils, sarcomeres)
• Physiology of muscle contraction (sliding filament mechanism)
• Energy for muscle activity (ATP, creatine phosphate, cellular respiration)
• Control of muscle action (nervous system regulation)
• Major skeletal muscle groups
• Smooth and cardiac muscle physiology
• Common muscular disorders (muscular dystrophy, cramps, myasthenia gravis)

Features:
• Quizzes to reinforce learning
• Articles with detailed explanations
• Clear and user-friendly design
• Copy, paste, and zoom tools for easier study
• Lightweight and fast performance

Disclaimer:
This app is intended for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional for any medical concerns.
All trademarks and copyrights are the property of their respective owners. No infringement is intended, and any content may be removed upon request by the copyright holder. ## Rankings - #593,659 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.ACCESS_WIFI_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.POST_NOTIFICATIONS` - `android.permission.READ_APP_BADGE` - `android.permission.RECEIVE_BOOT_COMPLETED` - `android.permission.VIBRATE` - `android.permission.WAKE_LOCK` - `com.afra.muscularsystem.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` - `com.afra.muscularsystem.permission.C2D_MESSAGE` - `com.anddoes.launcher.permission.UPDATE_COUNT` - `com.google.android.c2dm.permission.RECEIVE` - `com.google.android.gms.permission.AD_ID` - `com.htc.launcher.permission.READ_SETTINGS` - `com.htc.launcher.permission.UPDATE_SHORTCUT` - `com.huawei.android.launcher.permission.CHANGE_BADGE` - `com.huawei.android.launcher.permission.READ_SETTINGS` - `com.huawei.android.launcher.permission.WRITE_SETTINGS` - `com.majeur.launcher.permission.UPDATE_BADGE` - `com.oppo.launcher.permission.READ_SETTINGS` - `com.oppo.launcher.permission.WRITE_SETTINGS` - `com.sec.android.provider.badge.permission.READ` - `com.sec.android.provider.badge.permission.WRITE` - `com.sonyericsson.home.permission.BROADCAST_BADGE` - `com.sonymobile.home.permission.PROVIDER_INSERT_BADGE` - `me.everything.badger.permission.BADGE_COUNT_READ` - `me.everything.badger.permission.BADGE_COUNT_WRITE` ## Similar extensions and apps - [Skeletal System](https://chrome-stats.com/d/com.afra.skeletalsystem) — 28,996 users, 4.69 / 5 - [Learn Muscular System](https://chrome-stats.com/d/com.virtual3ed.Muscle) — 4 users - [Sistema Muscular](https://chrome-stats.com/d/com.al90industry.sistemamuscular) — 4,132 users - [Digestive System](https://chrome-stats.com/d/com.afra.digestivesystem) — 20,368 users, 4.74 / 5 - [Muscular System 3D (anatomy)](https://chrome-stats.com/d/com.androiddevelopermx.blogspot.muscles3d) — 2,807,089 users, 4.60 / 5 - [Learn Muscles: Anatomy](https://chrome-stats.com/d/com.ds410.learnmuscles) — 27,159 users, 4.00 / 5 - [Nervous System](https://chrome-stats.com/d/com.afra.nervoussystem) — 43,635 users, 4.53 / 5 - [Muscle Physiology](https://chrome-stats.com/d/hsdeveloper.musclephysiology) — 1,137 users - [The Muscular System Manual](https://chrome-stats.com/d/com.mobisystems.msdict.embedded.wireless.elsevier.muscularsystem) — 109,867 users, 3.43 / 5 - [Muscle Quiz](https://chrome-stats.com/d/com.isfield.musclequiz) — 35 users - [Respiratory System](https://chrome-stats.com/d/com.afra.respiratorysystem) — 16,720 users, 4.78 / 5 - [Muscles & Kinesiology](https://chrome-stats.com/d/com.visiblebody.musclepremium) — 54,094 users, 4.31 / 5 --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.afra.muscularsystem)