1.
Which of the following statements is FALSE regarding the muscle pictured above depicted by
the lab instructor?
a. It protracts the scapula
b. It stabilizes the scapula
c. It works with the pectoralis minor to draw the scapula forward and laterally
d. All of the above statements are true
e. All of the above statements are false
d
m
er as
2.
co
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Identify the muscle in the picture above, specified by the lab instructor, and list its actions.
o.
Latissimus Dorsi -Extension, adduction, and medial rotation at shoulder
rs e
ou urc
3.
o
aC s
Which of the following statements is TRUE regarding the middle portion of the muscle pictured
vi y re
(highlighted in blue and specified by the arrow)?
a. It is innervated by the axillary nerve
b. It abducts the humerus
c. It flexes the humerus
ed d
d. It extends the humerus
ar stu
e. a. and b. are true statements
f. a. and c. are true statements
g. a. and d. are true statements
is
e
Th
4. a. b.
sh
c. d.
This study source was downloaded by 100000831788613 from CourseHero.com on 09-23-2021 15:34:37 GMT -05:00
https://www.coursehero.com/file/45069654/Lab-Muscular-System-Appendicular-Musclesdocx/
, Your patient has sustained a rotator cuff injury. It is determined that the axillary nerve was
damaged as a result. Given this information, which of the muscles pictured above would you
expect to be affected?
b
5 Teres Minor:
a. Internally rotates the humerus
b. prevents upward slippage of the humerus during abduction
c. innervated by the subscapular nerve
d. prevents upward slippage of the humerus when the arm is at rest
e. a. and b.
f. c. and d.
e
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er as
-2.0 points
co
eH w
Answer Key
o.
1. rs e
ou urc
Which of the following statements is FALSE regarding the muscle pictured above depicted by
the lab instructor?
o
a. It protracts the scapula
aC s
b. It stabilizes the scapula
vi y re
c. It works with the pectoralis minor to draw the scapula forward and laterally
d. All of the above statements are true
e. All of the above statements are false
ed d
d. All of the above statements are true
ar stu
is
2.
Th
Identify the muscle in the picture above, specified by the lab instructor, and list its actions.
Latissimus Dorsi; adducts and medially rotates the humerus, and extends the shoulder.
sh
3.
This study source was downloaded by 100000831788613 from CourseHero.com on 09-23-2021 15:34:37 GMT -05:00
https://www.coursehero.com/file/45069654/Lab-Muscular-System-Appendicular-Musclesdocx/