Select the correct example of protraction and an agonist muscle for the movement: Question 3 options: Rounding the shoulders forward through forward movement of the shoulder girdle; middle trapezius Rounding the shoulders forward through forward movement of the shoulder girdle; serratus anterior Pinching the shoulders together through backward movement of the shoulder girdle; serratus anterior Pinching the shoulders together through backward movement of the shoulder girdle; rhomboids
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12) Muscles that hold the scapula firmly in place while the forearm moves are called: A) adductors B) agonists C) fixators D) antagonists 13) This name reveals the number of the muscle's origins. A) adductor longus B) pectoralis major C) temporalis D) biceps brachii 14) The names of these muscles tell you their actions. A) adductor magnus & extensor digitorum B) gluteus maximus & gluteus medius C) external & internal abdominal oblique D) brachioradialis & sternocleidomastoid 15) A runner suffers from a pulled hamstring. Which of these muscles might be involved? A) rectus femoris B) vastus lateralis C) biceps brachii D) biceps femoris 16) An agonist for elbow flexion is __, whereas the __is an antagonist to this movement. A) triceps brachii, brachialis B) brachioradialis, deltoid C) deltoid, biceps brachii D) biceps brachii, triceps brachii 17) The __is a synergist of the latissimus dorsi; it extends, medially rotates, & adducts the humerus. A) teres minor B) supraspinatus C) teres major D) infraspinatus 18) Spasms of this "straplike" muscle often result in wryneck or torticollis. A) serratus anterior B) zygomaticus C) masseter D) sternocleidomastoid
Adi S.
Focusing on one specific movement performed by muscles in your the pectoral girdle, identify the prime mover, synergists, and antagonists.
Marlyn J.
Outline the muscles that work together to facilitate each of the following movements of the pectoral girdle: - Elevation - Depression - Protraction - Retraction
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