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25 Αυγ 2018 · The pectoralis major is a large, flat muscle of the pectoral girdle of the upper limb. It has a fan-shaped appearance with three heads or portions: the clavicular, the sternocostal and the abdominal head. The clavicular head originates from the medial two-thirds of the clavicle (collar bone).
1 Φεβ 2014 · Results: In 49 female and 53 male cadavers, 202 pectoralis major muscles were lifted to expose the costal origins of the pectoralis major and minor muscles. Distances between pectoralis major and pectoralis minor muscles were separated into 3 categories: less than 1 cm, between 1 and 3 cm, and greater than 3 cm. Forty-nine (24%) pectoralis ...
The anatomic relationship between the costal origin of the pectoralis major and minor muscles is highly variable. Understanding this spatial relationship has important implications for cosmetic and reconstructive breast surgery.
The pectoralis major muscle is a flexor, adductor, and medial rotator (clavicular part) of the humerus. It is also active with deep and forcible inspiration. The pectoralis minor muscle assists the serratus anterior in drawing the scapula forwards around the chest wall.
2 Απρ 2019 · The presented study attempts to classify individual anatomical variants of the pectoralis major muscle (PM), including rare and unusual findings. Rare cases of muscular anomalies involving the PM or its tendon have been presented.
8 Ιαν 2014 · The etiology of these muscle bands is unknown, but anatomic variations in the pectoralis major and minor muscles described in a recent large-scale cadaveric study suggest that certain...
Conclusions: The anatomic relationship between the costal origin of the pectoralis major and minor muscles is highly variable. Understanding this spatial relationship has important implications for cosmetic and reconstructive breast surgery.
