Jackknife
Plane of Motion
Sagittal
Muscle Focus
Spring Setting
Light / Medium
Roll Up Bar Short Springs
Top Hooks
Spinal Flexors
Rectus Abdominis, Internal Oblique, External Oblique
Hip Flexors
Iliopsoas, Rectus Femoris, Sartorius, Tensor Fasciae Latae, Pectineus
Hip Extensors
Gluteus Maximus, Hamstrings: Semimembranosus, Semitendinosus & Biceps Femoris
Hip Adductors
Adductor Longus, Adductor Brevis, Adductor Magnus, Gracilis, Pectineus
Shoulder Extensors
Latissimus Dorsi, Teres Major, Posterior Deltoid, Triceps Brachii
Other Muscles at Play
Objectives
Strengthens the abdominals and scapular stabilizers while mobilizing the thoracic and lumbar spine.
Strengthens the abdominals, spinal extensors and hip extensors in coordination with the latissimus dorsi, and triceps.
Reinforces the work of the scapular and shoulder stabilizers as an anchor point
teaches proper form and control for the Jackknife mat exercise.
Focus on breathing to synchronize the movement.