Modified Mastering A&P with Pearson eText -- Standalone Access Card -- for Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134763415
Author: Elaine N. Marieb, Katja Hoehn
Publisher: PEARSON
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Textbook Question
Chapter 10, Problem 5CCS
45-Year-Old Female with Motor Nerve Damage
In Chapters 7 and 8, you met Kayla Tanner, who suffered a dislocated right hip in a car accident. Six weeks later, Mrs. Tanner was still unable to walk or run without hip pain, and had weakness in flexion at the knee, excessive foot inversion and plantar flexion, and significant “foot drop” (the inability to dorsiflex the foot).
Electromyography (measurement of muscle electrical activity) and nerve conduction studies (measurement of the speed of nerve impulses) revealed sciatic nerve damage, most likely a result of the nerve being compressed when the hip was dislocated. This large nerve innervates many lower limb muscles. Since her surgery, Mrs. Tanner has been undergoing intense physical therapy and has shown significant improvement.
5. Using descriptions similar to those listed in the question above, explain how you would assess the function of the following muscles:
a. Extensor hallucislongus
b. Fibularis (peroneus) longus
c. Gastrocnemius
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A 27-year-old man is brought to the emergency department because of gluteal pain and difficulty walking since sustaining an injury in a football game 3 days ago. He says that he trips on the toes of his left foot. He is a running back and was cutting through the line when he felt a pop in his gluteal region on the left side and had immediate pain. Physical examination shows deep gluteal tenderness. An MRI of the injured area today shows inflammation deep to the gluteus maximus in the area of the piriformis muscle. The physician suspects that there is compression of the common fibular (peroneal) branch of the sciatic nerve as it pierces the muscle. Which of the following additional findings is most likely on examination of this patient?
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B) Loss of cutaneous sensation to the posterior thigh
C) Loss of eversion of the foot
D) Loss of inversion of the foot
E) Trendelenburg sign
F) Weakened extension at the hip
G) Weakened extension at…
is patellafemoral pain syndrome a arthogenic or myogenic condition and how can you distinguish it from other conditions
For this set of questions you will need to stand up from the chair you are sitting in,
and then sit back down. Do this slowly so that you can pay attention to what is
happening, and if necessary feel the tone of the muscles in your legs as your
standing and sitting (If you are lying down or standing start from a seated position,
then stand, then sit).
a) During the standing phase, what function is being carried out at the hip joint?
b) What are the prime movers (agonists) that are responsible for this particular
movement (Hint: You should be able to feel them activated)?
c) During the standing phase, what function is being carried out at the knee joint?
d) What are the prime movers (agonists) that are responsible for this particular
movement (Hint: You should be able to feel them activated)?
e) As you sit back down, you realize that some of the same muscles activated during
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Chapter 10 Solutions
Modified Mastering A&P with Pearson eText -- Standalone Access Card -- for 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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