OIANS

Study All 300 Muscles: Origin, Insertion, Action & Nerve

OIANS is a free anatomy study app for medical, nursing, and physiotherapy students. Browse the complete muscle library, then practise with muscle origin and insertion quizzes, anatomy flashcards, and study games, everything you need for anatomy practical exam preparation.

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Everything you need for anatomy practical exam prep

Muscle Library

All 300 skeletal muscles, Upper Limb, Lower Limb, Trunk, and Head & Neck, with verified origin, insertion, action, and nerve for each.

Anatomy Flashcards

Drill every muscle’s OIAN facts with region-grouped muscle flashcards. Free for Upper Limb; Lifetime unlocks every region.

Origin & Insertion Quiz

Multiple-choice quizzes on muscle origins, insertions, actions, and nerve supply, the OIANS method for anatomy practical exam revision.

Study Games

Muscle Invaders, OIAN Millionaire, MyoWordle, and MuscleScapes make anatomy practical exam practice engaging between study sessions.

Browse muscles by region

Upper Limb Lower Limb Trunk Head & Neck