Universidade de Santiago de Compostela (USC)
Medicina
Anatomía
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ANATOMÍA
Músculos MS
1
, ➢ Deltoides (Musculo dorsal superficial)
• Inserciones: Clavícula, acromion, espina de la
escapula → V deltoidea del humero
• Acciones: Abducción, elevador del hombro, flexor
y extensor
• Vascularización: arteria axilar
• Inervación: Nervio circunflejo (axilar)
➢ Supraespinoso (Musculo dorsal profundo)
• Inserciones: Fosa supraespinosa → troquiter
• Acciones: abducción, elevación del brazo y rotación
• Vascularización: arteria axilar y arteria escapular
anterior
• Inervación: Nervio supraescapular ( o por una rama del
circunflejo)
➢ Infraespinoso (Musculo dorsal profundo)
• Inserciones: Fosa infraespinosa → troquiter
• Acciones: rotación externa
• Vascularización: arteria axilar
• Inervación: Nervio infraescapular ( o por una rama del
circunflejo)
➢ Redondo menor (Musculo dorsal profundo)
• Inserciones: Escápula → troquiter
• Acciones: rotación externa del humero y aductor
• Vascularización: arteria axilar
• Inervación: Nervio circunflejo
➢ Redondo Mayor (Musculo dorsal profundo) *por debajo del
redondo menor
• Inserciones: Escapula → Cresta subtroquiniana
• Acciones: aducción y rotación interna del brazo
• Vascularización: arteria axilar
• Inervación: Nervio del redondo mayor
2
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