When doing this asana, the joints, muscles, organs and systems will be affected.
The syndesmosis (joint of tibia & fibula) and ball and socket (between femur & pelvis) are affected when bending the knee and sinking the bum down.
The condyloid (between metacarpals & phalanges), gliding (between carpals) and hinge (between humerus & ulna) are affected when placing the palm on the floor outside the foot.
The pivot (between altas (C1) & axis (C2) vertebrae are affected when turning the neck upward.
When bending the right knee and stretching the left leg, muscles such as tibialis anterior, extensor digitorum longus, gastrocnemius, vastus lateralis, sartorius, rectus femoris, gracilis, adductor longus, tensor fasciae latae, iliopsoas pectineus, semitendinosus, biceps femoris, gluteus maximus are affected because the power diffuse on two legs and they are squeezed.
When twisting the back upward, muscles like gluteus medius, external oblique, latissimus dorsi, trapzius, serratus anterior, pectoralis major are affected.
When turning the neck upward, muscles: sternohyoid and sternocleidomastoid are affected. And, when stretching the arm forward, muscles: platysma and deltoid are also affected.
This pose helps stomach, spleen, liver and pancreas work better because they’re affected when twisting the back. This time, we do utrana breathing, have to breath by diaghram not by stomach to make sure the oxygen can come inside deeply helping the bloodstream flow smoothly.