Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Textbook Question
Chapter 10, Problem 26RQ
What class of lever system do the following activities describe? (a) The soleus muscle plantar flexes the foot, (b) The triceps brachii is strained while doing pushups.
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Chapter 10 Solutions
Human Anatomy & Physiology (11th Edition)
Ch. 10 - Prob. 1RQCh. 10 - 2. The arrangement of muscle fibers in which the...Ch. 10 - 3. Match the muscle names in column B to the...Ch. 10 - 4. The prime mover of inspiration is the (a)...Ch. 10 - 5. The arm muscle that both flexes the elbow and...Ch. 10 - 6. The chewing muscles that protract the mandible...Ch. 10 - 7. Muscles that depress the hyoid bone and larynx...Ch. 10 - 8. Intrinsic muscles of the back that promote...Ch. 10 - Prob. 9RQCh. 10 - Aprime mover of thigh flexion is the (a)rectus...
Ch. 10 - The prime mover of thigh extension against...Ch. 10 - Prob. 12RQCh. 10 - Prob. 13RQCh. 10 - 17. Name four criteria used in naming muscles, and...Ch. 10 - 18. Differentiate between the arrangement of...Ch. 10 - 20. Which muscles act to propel food down the...Ch. 10 - Prob. 15RQCh. 10 - Prob. 19RQCh. 10 - Prob. 20RQCh. 10 - As Kendra's coach watched her sail over the high...Ch. 10 - 24. (a) Name two forearm muscles that are powerful...Ch. 10 - Prob. 21RQCh. 10 - Prob. 24RQCh. 10 - Prob. 22RQCh. 10 - 3. Mr. Ahmadi, an out-of-shape 45-year-old man,...Ch. 10 - What class of lever system do the following...Ch. 10 - 45-Year-Old Female with Motor Nerve Damage
In...Ch. 10 - 45-Year-Old Female with Motor Nerve Damage
In...Ch. 10 - 45-Year-Old Female with Motor Nerve Damage In...Ch. 10 - 45-Year-Old Female with Motor Nerve Damage In...Ch. 10 - 45-Year-Old Female with Motor Nerve Damage In...Ch. 10 - 45-Year-Old Female with Motor Nerve Damage
In...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Why can you lift a larger load when your elbow is slightly flexed and your biceps muscle is at an intermediate length than you can when your elbow is fully extended?arrow_forwardWhat difference does foot plant or no foot plant make to the functions of the gluteus medius and tensor fascia lata muscles?arrow_forwardDefine a lever.arrow_forward
- If your biceps brachii muscle attaches to your forearm 2 inches below your elbow, the distance from the elbow to the palm of your hand is 18 inches, and you lift a 20 pound weight, how much pull must your muscle exert to achieve elbow flexion? If your biceps brachii muscle attaches to your forearm 2 inches below your elbow, the distance from the elbow to the palm of your hand is 18 inches, and you lift a 20 pound weight, how much pull must your muscle exert to achieve elbow flexion? hhharrow_forwardWhy do you suppose there are more and larger muscles involved in plantar flexion of the foot than dorsiflexion?arrow_forwardWhy do some people lack a palmaris longus muscle?arrow_forward
- Three orders of levers are recognized: I. Fulcrum (pivot) between power and weight. II. Weight between power and fulcrum. III. Power between fulcrum and weight. What order of lever is involved in the action of the gastrocnemius muscle of the frog? Of man? Of the triceps in the fore limb? Of the biceps in the fore limb?arrow_forwardWhat type of lever is the vastus medialis? Support your answer with a free body diagram. The vasti muscles are used both for sit-to-stand AND stand-to-sit movements. Which of these two tasks represents a concentric contraction and which represents an eccentric contraction? Which muscle (vastus lateralis or medialis) do you think is more important for doing a slow, controlled stand-to-sit transition? If you witnessed your grandfather "plopping" (doing an uncontrolled sit) into a chair, would you recommend giving him eccentric or concentric strengthening exercises for his vasti muscles? Justify your answer.arrow_forwarddescribe which motions and muscles in the right elbow, forearm, wrist, and hand are responsible for turning a doorknob clockwise and pushing open a door. What if the motion was reversed and you had to turn the knob counter-clockwise and pull open the door?arrow_forward
- What class of lever is an automobile steeringwheel?arrow_forwardDefine a first-, second-, and third-class lever and give an example of each in the musculoskeletal system?arrow_forwardGive a part of the body that uses the 2nd class lever system and; Explain how does the type of the lever system employed by the muscle influence the force it can generate and the load it can overcome?arrow_forward
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