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A 16-Year-Old High School Quarterback Comes to the Office Due

question 125

Multiple Choice

A 16-year-old high school quarterback comes to the office due to left shoulder pain. One week ago, he suffered an injury during a football game. The patient was running with the football when another player tackled him to the ground, causing him to land directly on the posterior aspect of his left shoulder. He developed severe pain immediately and did not return to the game. The patient has had persistent shoulder pain since the injury despite using ice and over-the-counter ibuprofen. He has been unable to resume playing football due to pain and weakness in his shoulder. On examination, there is diffuse bruising over the posterior aspect of the left shoulder. Abduction of the left arm is normal, but external rotation against resistance is weak and painful. Which of the following muscles is most likely injured?

Definitions:

Rationalism

A philosophy that emphasizes reason and knowledge acquisition through deductive reasoning and logical analysis, rather than empirical evidence.

Factual Analysis

Examination of data to discover verifiable facts and establish their validity.

Hypothesis

A testable prediction or statement about the relationship between two or more variables that can be tested through research.

Variables

Variables are characteristics or properties that can take on different values or categories in a research study, such as age, gender, income, etc., crucial for analyzing patterns and relationships.