📖 Static demo — read-only snapshot
You’re browsing a static build of the Body IQ knowledge graph, so everything loads with no backend. A few things that need the live server are turned off here:
- Global search (sidebar) is disabled — it queries the API.
- The JSON API and the API “Try it” playgroundaren’t included.
- The data is a snapshot — it refreshes only when the demo is rebuilt, not live from the database.
Everything else — the body map, progression ladders, coverage heatmap, exercise finder, and all anatomy/exercise/source pages — works fully. The full app (live search + API + database) runs from the source on GitHub.
Peroneus Longus (Fibularis Longus)
Lateral compartment of the leg. Everts the foot and assists plantarflexion.
Draft95%
Anatomy
- Origin
- Head and upper two-thirds of lateral fibula
- Insertion
- Base of 1st metatarsal and medial cuneiform (plantar surface)
- Action
- Foot eversion, assists plantarflexion, supports transverse arch
- Innervation
- Superficial peroneal nerve (L5, S1)
- Blood Supply
- Peroneal artery
Movements (2)
| Movement | Joint | Role | Notes |
|---|---|---|---|
| Foot Eversion | Subtalar Joint | Primary | — |
| Ankle Plantarflexion | Talocrural Joint | Secondary | — |
Exercises (16)
| Exercise | Role |
|---|---|
| Resisted Ankle Inversion/Eversion | Primary |
| Ankle Eversion/Inversion Strengthening | Primary |
| Single-Leg Balance Exercises (Star Excursion Balance Test) | Primary |
| Single-Leg Stance on Unstable Surface | Secondary |
| Jumping Jack | Stabilizer |
| Jump Squat | Stabilizer |
| Tandem Stance Balance | Stabilizer |
| Chair-Supported Single-Leg Balance | Stabilizer |
| Heel-to-Toe Walk | Stabilizer |
| Heel Raise (Eccentric Emphasis) | Stabilizer |
| Calf Raise (Explosive Concentric) | Stabilizer |
| Arch Doming (Short-Foot Exercise) | Synergist |
| Seated Calf Raise | Synergist |
| Stair Calf Raise | Synergist |
| Calf Raise off Stair Edge | Synergist |
| Heel Raise (Calf Raise) | Synergist |
Sources
- Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation — Anatomy of Peroneus Longus (Fibularis Longus) — origin, insertion, action, innervation
- Muscles: Testing and Function with Posture and Pain — Manual muscle testing for Peroneus Longus (Fibularis Longus)