Sternocleidomastoid (anterior fibers) 2. Synergist: Sartorious, Action: Powerful hip extensor (a) Latissimus dorsi (b) Infraspinous (c) Supraspinous (d) Subscapularis. In this case, it lifts up the breastbone and the area of the collarbones that are nearest to the midline of the body. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. By working to keep good posture and gently stretch and strengthen the SCM and other muscles around your neck, you can experience improvement of symptoms associated with the SCN. Clark myself the two Interpretters and the woman [Sacajewea] and the child sleep in a tent of dressed skins. 5th Edition. All other trademarks and copyrights are the property of their respective owners. Fifth Edition. Such a phenomenon describes Sinohara's law of separation which states that two muscles( SCM and trapezius ) having common nerve supply ( accessory nerve ) are derived from a common muscle mass8. Synergist: Trapezius, Action: prime mover of inspiration Clavo-trapezius (posterior; superior to acromio-trapezius) . Kapandji, I.A., "The Physiology of the Joints". Synergist: Gracilis, Action: Prime mover of foot inversion One SCM can also turn, or rotate, your head to the opposite side. Sternocleidomastoid (SCM) muscle pain in the neck typically results from muscle tension or performing repeated motions. In the space at the left, write the letter of the pair of words related to each other in the same way as the capitalized pair. Muscles that Act on the Scapula . Middle: Adduct the scapula, stabilize the scapula See examples of antagonist muscles. Synergist: psoas, Action: adducts thigh Occasionally, the lower portion of the SCM muscle is intercepted by tendinous intersections which indicate the origin of this muscle from different myotomes .The organizational pattern of the SCM can be arranged into five distinct topographical parts, namely the superficial sternomastoid, profound sternomastoid, sterno occipital, cleidomastoid and cleidooccipital parts which are arranged in superficial and deep layers. Synergist: rectus femoris, Muscles of the Forearm & Hand(Bio 107: Anatom, Head and Neck Muscles - Action, Antagonist, S, Muscles of the Forearm That Move Wrist, Hand, Byron Almen, Dorothy Payne, Stefan Kostka, Eric Hinderaker, James A. Henretta, Rebecca Edwards, Robert O. Self, By the People: A History of the United States, AP Edition. a. Subscapularis b. Pectoralis major c. Infraspinatus d. Supraspinatus e. Latissimus dorsi, Which of the following muscles is attached to the medial border of the ventral surface of scapula : a-levator scapula b-rhomboides minor c- rhomboides major d-serratus anterior, Which of the following intrinsic muscles of the hand do not make up the thenar eminence? 1 What is the synergist muscle for sternocleidomastoid? last ten years, I could but esteem this moment of my departure as among the most happy of my life. b) masseter. If there were(10)\overset{\text{(10)}}{{\underline{\text{were}}}}were(10) no date line, he or she would arrive home with a watch whose date is a day off from everyone else's. Variations Of The Sternocleidomastoid Muscle: A Literature Review.
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