http://www.markgiubarelli.com/hollywood-yoga-challenge/
Trunk Flexion
your torso and back work together to form your core. Some of the other muscles involved in the core group include the external and internal obliques (muscles that run up and down alongside your abs) and the glutes (hips and buttocks).
Prime Mover: Rectus Abdominis
Synergists: External Obliques, Internal Obliques, Psoas
Antagonists: Erector Spinae (Iliocostalis, Longissimus, Spinalis), Latissimus Dorsi
Neutralizers: External obliques and internal obliques when bilaterally contracted neutralize rotation.
Stabilizers: Intrinsic stabilization subsystem (Transverse abdominis, intrinsic muscles of spine, diaphragm, pelvic floor)
Fixators: All musculature of the hip especially the glute complex
fitness, abs, body, workout, obliques, muscle, ab workout, core, muscles, abs workout, core workout, core strength, health, exercise, weight loss, ab exercises, tone, belly fat, core exercises, six pack abs, 6 pack abs, core workouts, weight, loss, training, lose, bodybuilding, bodybuilder, gym, trainer, ripped, lean, back, home workout, abdominal exercise, oblique workout, belly workout
source
