EXTERNAL INTERCOSTAL MUSCLE

 

Rotation Gallery

 

ORIGIN:  11 pairs. From the outer lip of the costal groove extending from the tubercle of rib posteriorly to the costal cartilage anteriorly, at the costo-chondral junction. It runs downwards and forwards like external oblique muscle of abdomen.

 

INSERTION:  Upper border of the rib below.

 

ACTION:  Assists inspiration.

 

NERVE:  Intercostal nerves.

Action animation


Thorax dissection video     Thorax-abdomen dissection video     Double click for full screen

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Introduction

Histology

   Smooth muscle

   Striated muscle

   Cardiac muscle

Embryology
Gross anatomy
Organ integration
Clinical anatomy

Quiz

Physiology

Smooth muscle      

Striated muscle      

Cardiac muscle      

Biochemistry

Pharmacology
Smooth muscle      

Striated muscle    

Cardiac muscle      

Chemical Pathology

Anatomical Pathology

Imaging

Medicine

Surgery

Main Subject Course Links

eAnatomy eAnesthesia eBiochemistry eChemical pathology eCommunity Health
eDermatology eENT eGynecology eHematology eImaging
eMedicine eMedical microbiology eObstetrics eOphthalmology ePathology
ePediatrics ePharmacology ePhysiology ePsychiatry    eSurgery/eOrthopedics
eLab eOSCE eProcedures eInvestigations eSchool/Videopage
eOrgans eLocator Anatomy Museum eDissector eFractures/Dissect-it-yourself
All diseases eClerking eTreatment eDoctor ePatient

 


Electronic School of Medicine
Creator: Oluwole Ogunranti