Part C Assessments Complete the following statements: 1. The 2. The 3. A muscle

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Part C Assessments Complete the following statements: 1. The 2. The 3. A muscle responsible for most of a movement is called a(n) 4. Assisting muscles are called 5. Antagonists are muscles that resist the actions of of a muscle is usually attached to a fixed location. 3 of a muscle is usually attached to a movable location. 3 and cause movement in the opposite direction. 4 6. When the forearm is extended at the elbow joint, the 7. When the biceps brachii acts as the prime mover, the muscle acts as the prime mover. 4 muscle assists as a synergist. 4 Part D Ph.I.LS. Lesson 5, Skeletal Muscle Function: Stimulus-Dependent Force Generation Assessments 1. Diagram a graph of a twitch and label: latent period, contraction, and relaxation of a twitch. 5 2. What was the threshold voltage for stimulation of the frog's gastrocnemius muscle? & 9 3. What voltage produced maximal contraction? & 4. what is occurring between the threshold and the maximum contraction? 5. Explain the relationship of increasing voltage stimulation to the recruitment of motor units. 8 Critical Thinking Assessment You are getting ready to leave the lab. You lift your pencil to put it in your book bag. Then you lift your lab book and place it in your book bag. Which scenario resulted from the stimulation of more motor units? 10 Which would require more neural signals being sent by the nervous system to the muscles of your arm? 10 What concept covered in this lab (threshold, recruitment, or maximum contraction) explains why there are certain objects that are too heavy for you to lift? 10 174

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Part c Assesments

Question 6 label the anterior muscles of the head

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identify the image of the head & neck in the lateral view of a cadaver

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