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MQ-2
Muscles Connecting the Upper Limb to the Thoracic Wall
Question | Answer |
---|---|
Pectoralis Major (clavicular head) | O: clavicular head- the anterior border of the medial half of the clavicle I: the crest of the greater tubercle (lateral crest) of the humerus IN: lateral and medial pectoral nerves |
Pectoralis Major (Sternocostal head) | (sternocostal head) I: the manubrium and the body of the sternum, from rib cartilages 1-6 I: crest of the greater tubercle (lateral crest) of the humerus IN: lateral and medial pectoral nerves |
Pectoralis minor | O: the 3rd, 4th, and 5th ribs I: the corocoid process of the scapula IN: medial pectoral nerve |
Serratus anterior | O: ribs 1-8 or 9 I: the anterior surface of the medial border of the scapula. The insertion at the inferior angle is larger. IN: long thoracic nerve |