Which of the following muscles produce upward scapular rotation when the shoulder girdle is elevated from 90 ° to 180 °?
a. Deltoid and rotator cuff muscles
b. Upper trapezius, lower trapezius, and serratus anterior
c. Upper trapezius and serratus anterior
d. Teres major and teres minor
ANS: B
This force couple is indicated as the primary muscles that contribute to upward rotation of the scapula. The muscles play various roles during different points of shoulder girdle elevation, but all contribute to full upward rotation of the scapula.
You might also like to view...
When writing a prehospital care report, you accidentally document a laceration as being on the left side of a patient's face when it was actually on the right side of the face. In addition to putting your initials and current date/time next to your correction, you would change your documentation in which of the following ways?
a. Color over the word "left" with black ink and write the word "right" next to it. b. Write the word "error" through the word "left" and then write the word "right" next to it. c. Use correction fluid to cover the word "left" and write the word "right" next to it. d. Draw a single line through the word "left" and write the word "right" next to it.
Multiplication is a simple method of addition
Indicate whether the statement is true or false
The outer levels of ecological models represent ____ in which a person lives.?
A) community and societal systems B) environmental impact C) individual relationships D) individual decision making
In normal aging there is a decline is the concentration of which of the following?
a. Dopamine b. Serotonin c. Norepinephrine d. All of the above