Frog
Plane of Motion
Sagittal
Muscle Focus
Spring Setting
Medium
Medium or Heavy Long Leg Springs
Mid-Pole Hooks
Hip Adductors
Adductor Longus, Adductor Brevis, Adductor Magnus, Gracilis, Pectineus

Hip Extensors
Gluteus Maximus, Hamstrings: Semimembranosus, Semitendinosus & Biceps Femoris

Knee Extensors
Quadriceps Femoris: Rectus Femoris, Vastus Lateralis, Vastus Intermedius, Vastus Medialis

Spinal Stabilizers
Erector Spinae, Semispinalis, Deep Posterior Spinal Group
Other Muscles at Play
Objectives
Cultivates strong abdominal control while building strength in the hip extensors and adductors.
Enhances abdominal engagement to support smooth, controlled leg movement.
Develops both power and precision in the hip adductors.
Maintains steady pelvic alignment as the adductors and extensors work dynamically.
Focus on breathing to synchronize the movement.