Eccentryx / Exercise Atlas / core

L-sit hold (parallettes or rings)

Press into handles, depress scapulae, lift legs to parallel, toes pointed.

Muscles

Primary
hip flexors
Supporting
triceps, abs, shoulders

Mechanics

Pattern
compression
Equipment
parallettes, rings
Geometry
90° Alignment
Energy model
Glycolytic Pathway (10-90s)
Target feel
Hip flexors contracting hard, shoulders depressed, arms nearly locked.
Progression
Extend one leg at a time, then both for a full L-sit.
Regression
Tuck L-sit — knees pulled to chest instead of legs extended.

Watch for

  • Shrugging the shoulders
  • Bending knees as a cheat (unless regressing)
  • Losing core tension mid-hold

Substitutions

  • Frog stance (BW core + balance)
  • Hollow body hold
  • Hanging knee raise
Open L-sit hold (parallettes or rings) in the app →