Which of the following statements is true about the shoulder complex?
a) The shoulder complex has a smaller range of motion than any other joint or...

Question

Which of the following statements is true about the shoulder complex?
a) The shoulder complex has a smaller range of motion than any other joint or joint complex.
b) The shoulder complex is vulnerable to dislocation due to the small and shallow contact area between the articulating surfaces.
c) The shoulder complex is stabilized by the coracoumeral ligament and the glenoumeral ligaments.
d) The rotator cuff muscles originate from the supraspinous, infraspinous, and subscapular fossae and converge to the proximal end of the humerus.

a) b and c are correct.
b) a and d are correct.
c) b and d are correct.
d) c and d are correct.

Ed · Answer

A alternativa correta é a letra "b". O complexo do ombro é vulnerável a deslocamentos devido à pequena e rasa área de contato entre as superfícies articulares. As outras alternativas são incorretas: a) o complexo do ombro tem uma das maiores amplitudes de movimento de todas as articulações do corpo; c) o complexo do ombro é estabilizado por vários ligamentos, incluindo o ligamento coracoacromial e os ligamentos glenoumerais; d) os músculos do manguito rotador se originam de fossas na escápula e se inserem na cabeça do úmero, não convergem para a extremidade proximal do úmero.

Which of the following statements is true about the shoulder complex? a) The shoulder complex has a smaller range of motion than any other joint or...

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