Anatomy Flashcards
Location of the midclavicular line.
Down the middle of the clavicle
Location of the midline
Down the centre of the sternum
Location of the anterior axillary line
Fold of muscle at the anterior part of the axilla
Location of mid axillary line.
From the middle of the axilla or widest part of the thorax
Location of the posterior axillary line.
From the fold of muscle at the posterior part of the axilla.
Insertion of pec major
Greater tubercle of the humerus
Origin of pec major
sternum, clavicle and anterior part of rectus sheath
Innervation of pec major
Medial and lateral pectoral nerves
Origin of pec minor
3rd-5th ribs
Insertion of pec minor
Coracoid process (anterior face of scapula just underneath clavicle)
Origin of the external intercostal muscles
Attach onto the rib above and run inferomedially to the rib below (down and towards the middle)
Internal intercostal muscles direction
Perpendicularly to the external intercostals above
What separates the innermost intescostals from the internal intercostals?
A neurovascular bundle, in the order (nerve, artery, vein)
What is the shape of serratus anterior?
Fan shaped muscle with fingerlike projections
Origin of serratus anterior.
Ribs 1-10