📖 Static demo — read-only snapshot
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- FHIR resources are build-time snapshots served as static files, not the live /api/exercises/<slug>/fhir route.
- 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.
Foot-Supported L-Sit
Why Include This
Isolates the scapular depression and elbow lockout of the L-sit before any hip-flexor load is added. Most athletes fail the full hold at the shoulders, not the abdominals, and this rung addresses that first.
Evidence basis: expert-opinion
Positions & Range of Motion
- Start
- seated between parallettes, hands on the handles, legs straight ahead with the heels on the floor
- End
- hips lifted clear of the floor, arms locked, shoulders depressed, heels still in light contact
- Range of Motion
- static hold; hips flexed to approximately 90°
How to Perform
L-sit entry on parallettes or blocks with the heels resting on the floor, so the shoulders and trunk carry the support demand while the legs remain partly unloaded.
Opens a YouTube search for “Foot-Supported L-Sit”
Coaching Cues
- 1
Push the handles down until your shoulders drop below your ears
(verbal) - 2
Keep your elbows locked — bent arms mean this rung is still too hard
(verbal)
Evidence-Based Dosing & EMG Data
3 holds × 20–30 s, 2–3×/week (consensus programming, not RCT-derived)
Muscles Involved (7)
Primary Movers
Secondary Movers
Easier Variations ↓
Hollow Body Hold
Regress to Hollow Body Hold.
Harder Variations ↑
Tuck L-Sit
Progress to Tuck L-Sit.
Target Movements (3)
Goals This Helps With
Rehab, performance, prevention, and mobility goals this exercise supports — essential means it's a cornerstone:
Research Notes
claude-researched 2026-08 (bodyweight ladders). Rung ordering is community consensus, not trial evidence — see source bodyweight-progression-consensus-2026. EMG and RCT sourcing pending.
Evidence Sources (1)
- 📄Community-consensus bodyweight progression sequences— r/bodyweightfitness Recommended Routine contributors; allied coaching material
Consensus progression sequence — supports the rung's position in the ladder, not its anatomy.