Human Anatomy & Physiology (2nd Edition)
2nd Edition
ISBN: 9780134553511
Author: Erin C. Amerman
Publisher: PEARSON
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Chapter 9, Problem 4CYR
Summary Introduction
Introduction:
There are three types of lever systems in our body, which help in the movement of body parts in the form of contraction, relaxation, or joint movement. It is similar to the number of activities humans perform in day-to-day life like use shovels, brooms, scissors, and many more such objects.
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Chapter 9 Solutions
Human Anatomy & Physiology (2nd Edition)
Ch. 9.1 - What is a fascicle, and how does it relate to the...Ch. 9.1 - 2. How do the terms pennate, parallel, and...Ch. 9.1 - The adductor magnus muscle is a muscle in the...Ch. 9.1 - 4. What is the role of an agonist in a muscle...Ch. 9.1 - What are a muscles origin and insertion, and how...Ch. 9.1 - 6. How do first-, second-, and third-class lever...Ch. 9.2 - 1. How do the muscles of facial expression differ...Ch. 9.2 - Which muscles are involved in opening and closing...Ch. 9.2 - What are three muscles involved in producing happy...Ch. 9.2 - Which muscles are involved in producing frowning...
Ch. 9.2 - Which extrinsic eye muscles pull the eyeball...Ch. 9.2 - Prob. 6QCCh. 9.2 - Prob. 7QCCh. 9.2 - Prob. 8QCCh. 9.2 - Prob. 9QCCh. 9.2 - What are the three main muscles of the erector...Ch. 9.2 - 11. What additional roles besides supporting...Ch. 9.3 - What is the main muscle of inspiration, and where...Ch. 9.3 - What roles do the external and internal...Ch. 9.3 - Which muscles are involved in trunk flexion?Ch. 9.3 - Prob. 4QCCh. 9.3 - Prob. 5QCCh. 9.3 - Prob. 6QCCh. 9.4 - Prob. 1QCCh. 9.4 - Which posterior trunk muscles act on the scapula?...Ch. 9.4 - Prob. 3QCCh. 9.4 - 4. What are two muscles that adduct the arm?
Ch. 9.4 - Prob. 5QCCh. 9.4 - Prob. 6QCCh. 9.5 - Prob. 1QCCh. 9.5 - Prob. 2QCCh. 9.5 - Prob. 3QCCh. 9.5 - Prob. 4QCCh. 9 - Which type of muscle fascicle pattern has an...Ch. 9 - 2. If “adductor” is part of the name of a muscle,...Ch. 9 - Match the term with its description: _____Brevis...Ch. 9 - Prob. 4CYRCh. 9 - 5. Which function is being fulfilled by a muscle...Ch. 9 - Prob. 6CYRCh. 9 - Which eye muscle passes through the trochlea and...Ch. 9 - Prob. 8CYRCh. 9 - Prob. 9CYRCh. 9 - Prob. 10CYRCh. 9 - 11. Match the muscle with its main...Ch. 9 - Prob. 12CYRCh. 9 - Prob. 13CYRCh. 9 - Prob. 14CYRCh. 9 - Prob. 15CYRCh. 9 - Prob. 16CYRCh. 9 - Prob. 1CYUCh. 9 - Prob. 2CYUCh. 9 - Prob. 3CYUCh. 9 - Prob. 4CYUCh. 9 - Prob. 5CYUCh. 9 - The rectus femoris muscle originates from the...Ch. 9 - Prob. 1AYKACh. 9 - Prob. 2AYKACh. 9 - Prob. 3AYKACh. 9 - Prob. 4AYKACh. 9 - Prob. 5AYKB
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- Myoclonus is the sudden, involuntary jerking of a muscle or group of muscles. _______________ _______________ _______________ _______________arrow_forwardWhile Carly was playing soccer, she was kicked in the anterior thigh by an opposing teammate. Due to this injury, what muscle function may have been difficult to perform? a. extending the knee c. extending the thigh b. flexing the knee d. dorsiflexing the footarrow_forwardWhich statement is accurate about an agonist? a. It opposes the function of the prime mover. b. It is the primary muscle that produces a movement. c. It functions primarily to stabilize a joint. d. Its muscle fibers are always circular in structure.arrow_forward
- To answer the following questions utilize the attached picture. A. What muscles are acting on the knee from B to C? B. What classification of lever is being demonstrated in this exercise? C. Where is the resistance occurring? D. Where is the point of force application at the knee? E. Utilizing the rules of the lever system, how can this exercise be made easier? (You can’t simply remove the cuff)arrow_forwardJoshua broke his fibula and had to wear a cast for 6 weeks. The muscles attaching to this bone atrophied during this time. What muscle function was Joshua unable to perform as a result? a. plantar flexing the foot c. everting the foot b. flexing the knee d. dorsiflexing the footarrow_forwardWhich two hamstring muscles perform external rotation of the knee? A. Semitendinosus and Semimembranosus B. Semitendinosus and Bicep Femoris C. Semimembranosus and Biceps Femoris D. All three hamstring muscles perform external rotation E. No two hamstring muscles perform external rotationarrow_forward
- Eliza complained of double vision and went to see her optometrist. The optometrist tested the function of various eye muscles and discovered that Eliza could not move her right eye medially. Which muscle may be injured? a. superior oblique c. medial rectus b. lateral rectus d. inferior obliquearrow_forwardAfter an intensive workout, George felt especially sore in his posterior arm regions. What repetitive workout activity most likely caused the soreness? a. flexing the humerus c. pronating the forearm b. flexing the forearm d. extending the forearmarrow_forwardDelayed onset muscle soreness (DOMS) is most closely associated with which type of muscle action? a. Flurometic b. Isometric c. Anabolic d. Concentric e. Eccentricarrow_forward
- Which muscle provides the most control of hip joint movement during the act of sitting? a. iliacus b. semitendinosis c. semimembranosis d. gluteus maximus e. gluteus mediusarrow_forwardIf “adductor” is part of the name of a muscle, what does that tell you about the muscle? a. It is a wide muscle. b. It is a long muscle. c. It raises a body part. d. It is found in the head region. e. It pulls a body part toward the midlinearrow_forwardMuscles with a triangular shape, such as the pectoralis major muscle in the chest, typically have a: a. convergent fascicle arrangement. b. spiral fascicle arrangement. c. parallel fascicle arrangement. d. unipennate fascicle arrangementarrow_forward
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