right and slightly downward
The right internal oblique and the left external oblique contract as the torso flexes and rotates to bring the left shoulder towards the right hip. The left internal oblique and the right external oblique rotates the right shoulder to the left hip (as in grapping for your seat belt). For this reason, the internal obliques are referred to as "same side rotators."
internal obliques:flexing the spinesupport the abdominal contentshelp breatherotate the spinesave the scarecrows!
The prime mover of flexion of the head is the sternocleidomastoid muscle. It acts to tilt and rotate the head to the opposite side when contracted unilaterally and both muscles together flex the neck and bring the head towards the chest.
The sternocleidomastoid pair and the splenius capitus pair act to rotate the head around the joint between the axis and the atlas.The sternocleidomastoid pair and the splenius capitus pair act to rotate the head around the joint between the axis and the atlas.
The biceps brachii muscle acts as a synergist for supination of the hand. It works in coordination with other muscles, such as the supinator muscle, to rotate the forearm and bring the palm facing upwards.
The splenius capitis muscle allows you to look up. This muscle is located at the back of the neck and helps to extend and rotate the head.
they rotate the ribs and pelvis, they help you breathe and they flex your trunk forward
The external and internal oblique muscles rotate and side bend the trunk. These muscles also stabilize the spine.
The right internal oblique and the left external oblique contract as the torso flexes and rotates to bring the left shoulder towards the right hip. The left internal oblique and the right external oblique rotates the right shoulder to the left hip (as in grapping for your seat belt). For this reason, the internal obliques are referred to as "same side rotators."
Superior court judges rotate for several reasons. Rotating helps to give the judges a broader outlook on judicial matters. It also makes for an impartial and independent judiciary.
The teres major muscle is considered to be antagonistic to the teres minor muscle. The teres major muscle is a larger muscle located in the upper arm that works to extend, medially rotate, and adduct the arm, while the teres minor muscle is a smaller muscle that works to laterally rotate the arm.
The obliques function to pull the chest downwards and compress the abdominal wall. It also has some actions in both flexion and rotation of the vertebral column. The obliques contracting on one side can create lateral flexion on that side.
internal obliques:flexing the spinesupport the abdominal contentshelp breatherotate the spinesave the scarecrows!
Arm
A muscle doesn't rotate the shoulder. The ligaments that connect your shoulder blade to your arm, to your rib cage all work in a ball and socket type of way allowing you to rotate your arm 360o.
Sartorius is the long thin muscle extends from the anterior superior illiac spine to the distal part of the mdial surface of the tibia. It function is to flex, abduct and laterally rotate the hip as well as to assist flexion of the knee. Putting these together is bring the foot of one leg up to rest on the knee of the other and because this is the way tailors used to sit it is also called the Tailors muscle.
Muscles can contract and shorten