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Muscles of the anterior thoracic wall
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11
Medical
Graduate
09/08/2010

Additional Medical Flashcards

 


 

Cards

Term
What are the attachments for the pectoralis major muscle?
Definition

Proximally: sternum, superior 6 costal cartilages, medial half of clavicle

 

Distally: Lateral tip of the intertubercular groove (humerus)

Term
What innervates the pectoralis major?
Definition
Medical (C8-T1) and lateral (C5-C7) pectoral nerves
Term
What are the attachments of the pectoralis minor muscle?
Definition

Proximally: ribs 3-5, near cartilage

 

Distally: coacoid process of scapula

Term
What innervates the pectoralis minor?
Definition
Medial pectoral (C8-T1) nerve
Term
What are the attachments of the subclavius muscle?
Definition

Proximally: middle 1/3 of clavicle inferior surface

 

Distally: rib 1 near cartilage

Term
What innervates the subclavius muscle?
Definition
Nerve to subclavius (C5-C6)
Term
What innervates the intercostal muscles?
Definition
Intercostal nerves
Term
What are the attachments of the transversus thoracis muscle?
Definition

Proximally: inferior deep surface of the sternum, xiphoid, costal cartilage

 

Distally: ribs 2-6 lower margins and internal surfaces

Term
What innervates the transversus thoracis muscles?
Definition
Intercostal nerves
Term
What are the attachments of the serratus anterior muscle?
Definition

Proximally: ribs 1-8

 

Distally: medial border of the scapula

Term
What innervates the serratus anterior muscle?
Definition
Long thoracic nerve (C5-C7)
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