4.3- Muscle Roles and Types of Contraction 3 Quiz Please sign up for the course before taking this quiz. A muscle is behaving as an agonist when:1 It contracts while lengthening. It relaxes to initiate movement. The two ends of it move away from each other. It contracts to initiate movement. A muscle contraction is isometric when:1 The distance between the two ends of the muscle decreases. It remains relaxed at its neutral length. The distance between the two ends of the muscle increases. The distance between the two ends of the muscle stays the same. A muscle contraction is concentric when:1 The distance between the two ends of the muscle stays the same. The distance between the two ends of the muscle decreases. The distance between the two ends of the muscle increases. All muscle contractions are concentric. A muscle contraction is eccentric when:1 The distance between the two ends of the muscle decreases. The distance between the two ends of the muscle stays the same. All muscle contractions are eccentric. The distance between the two ends of the muscle increases. When a muscle is behaving as a stabilizer, it is:1 It is not possible to know if a stabilizer is contracted without more information. always contracted. sometimes contracted. never contracted. When a muscle is behaving as an agonist, it is:1 always contracted. sometimes contracted. never contracted. It is not possible to know if an agonist is contracted without more information. A muscle is behaving as a stabilizer when:1 It relaxes to initiate movement. It contracts while allowing movement to happen. It contracts to initiate movement. It contracts to prevent movement from happening. A muscle is behaving as an antagonist when:1 It contracts to initiate movement. It relaxes to initiate movement. It contracts to keep a joint from moving. It lengthens to allow movement. When a muscle is behaving as an antagonist, it is:1 It is not possible to know if an antagonist is contracted without more information. sometimes contracted. always contracted. never contracted. In this transition, the bone at 2 is brought toward the bone at 1. That means that muscles between those bones are in which role?1Tadasana to Urdhva Hasta in Tadasana Agonist Stabilizer Antagonist Possible agonist or antagonist In this transition, the muscles between which bones are behaving as antagonists?1Tadasana to Urdhva Hasta in Tadasana The bone at 2 and the bones at 3 The bone at 2 and the bones at 4 The bone at 1 and the bones at 2 In this transition, the muscles between which bones are behaving as stabilizers?1Tadasana to Urdhva Hasta in Tadasana The bone at 2 and the bone at 4 The bone at 3 and the bone at 4 The bone at 2 and the bone at 3
