HUMAN ANAT+CNCT+POLLEV LBCC >IC<
14th Edition
ISBN: 9781259349461
Author: McKinley
Publisher: MCG CUSTOM
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Textbook Question
Chapter 11, Problem 7WYL
The unilateral contraction of which muscle causes lateral flexion of the neck and rotation of the head to the opposite side?
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Match the muscles to the movements which are caused when the respective muscles contract concentrically.
Cervical extension
Cervical flexion
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Cervical lateral flexion to the right
Cervical lateral flexion to the left
Cervical rotation to the right
Cervical rotation to the left
Lumbar extension
Lumbar flexion
Lumbar lateral flexion to the right
Lumbar lateral flexion to the left
Lumbar rotation to the right
Lumbar rotation to the left
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-
A. Erector spinae, quadratus lumborum
B. Erector spinae, splenius cervicis, splenius capitis
C. L) erector spinae, L) rectus abdominis, R) external oblique L) internal oblique
D. L) erector spinae, L) rectus abdominis, L) external oblique, L) internal oblique, L)
quadratus lumborum
E. R) erector spinae, R) rectus abdominis, L) external oblique R) internal oblique
F. R) erector spinae, R) rectus abdominis, R) external oblique, R) internal oblique, R)
quadratus lumborum
G. Rectus abdominis, external oblique, internal oblique
H. L) splenius cervicis, L)…
How can the deltoid muscles both extend and flex the arm? Aren’t these antagonistic movements?
Is the biceps brachii an extensor or a flexor?
Chapter 11 Solutions
HUMAN ANAT+CNCT+POLLEV LBCC >IC<
Ch. 11 - What are the bony attachments for all the muscles...Ch. 11 - Prob. 2WYLCh. 11 - Prob. 3WYLCh. 11 - Prob. 4WYLCh. 11 - Which muscle protracts the tongue?Ch. 11 - Prob. 6WYLCh. 11 - The unilateral contraction of which muscle causes...Ch. 11 - Describe the erector spinae, and briefly discuss...Ch. 11 - Prob. 9WYLCh. 11 - Prob. 10WYL
Ch. 11 - Prob. 11WYLCh. 11 - Prob. 1MCh. 11 - The geniohyoid muscle a. depresses the hyoid bone...Ch. 11 - Prob. 2MCCh. 11 - When this large muscle contracts, the vertical...Ch. 11 - Prob. 4MCCh. 11 - The muscle that does not cause some lateral...Ch. 11 - Prob. 6MCCh. 11 - Prob. 7MCCh. 11 - Prob. 8MCCh. 11 - Prob. 9MCCh. 11 - Prob. 10MCCh. 11 - Prob. 1CRCh. 11 - Compare and contrast the functions of the...Ch. 11 - Discuss why the eye moves slightly medially during...Ch. 11 - Prob. 4CRCh. 11 - Distinguish between suprahyoid and infrahyoid...Ch. 11 - Describe the difference in action between...Ch. 11 - Prob. 7CRCh. 11 - Prob. 8CRCh. 11 - Prob. 9CRCh. 11 - Prob. 10CRCh. 11 - Prob. 1DCRCh. 11 - Prob. 2DCR
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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
- Which muscles are antagonistic to the rectus abdominis muscle?arrow_forwardWhat is the functional reason why the muscle group on the dorsal leg (calf) is so much larger than the muscle group in the ventral region of the leg?arrow_forwardMatch the following muscle actions: A- Flexor carpi ulnaris B- Palmaris longus C- Flexor digitorum profundus D- Extensor carpi radialis brevis 18- Powerful flexor and adductor of hand. 19- Flexes distal interphalangeal joints. 20- Stabilizes the wrist during finger extension. 21- Extends and abducts the hand. 22- Tenses skin and fascia of palm during hand movements.arrow_forward
- What type of muscle contraction is required at the hip during the action of moving from standing to sitting down in a chair? isometric, eccentric or concentric? What muscles are producing the force at the hip during this movement?arrow_forwardSelect the best answer or answers from the choices given: In walking, which two lower limb muscles keep the forwardswinging foot from dragging on the ground? (a) pronator teres and popliteus, (b) flexor digitorum longus and popliteus, (c) adductor longus and abductor digiti minimi in foot, (d) gluteus medius and tibialis anterior.arrow_forwardName the anterior hip muscle that flexes the hip. Whatmuscles act as synergists to this muscle?arrow_forward
- While painting the house, Mila fell off the ladder and fractured her left clavicle. Treatment prescribed by the emergency room physician included the use of a sling for her left arm to immobilize the clavicle and speed up its healing. Which among the following muscles are temporarily "put out of business" by the sling? extensor carpi ulnaris and extensor carpi radialis trapezius and deltoid trapezius and erector spinae flexor carpi ulnaris and extensorn digitorumarrow_forwardWhat is the main action of the muscles that move the pectoral girdle?arrow_forwardWhich gluteal muscle is LEAST involved in abduction of the thigh? (That is, which one has the worst mechanical advantage for thigh abduction?) Gluteus Minimus Gluteus Maximus Gluteus Mediusarrow_forward
- The primary action of the biceps brachii muscle of the anterior arm is to flex the forearm at the elbow. However, when this muscle is inflamed, pain is felt in the shoulder. Why do you think this is so?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_forwardIF a patient is unable to dorsiflex his or her foot.Which muscle do you think would be involved in this condition? which muscle may have to compensate for lack of dorsiflexion during walking?arrow_forward
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