Posterior - lateral viewThe spine of the scapula lies at the level of thoracic vertebra 3,
spinous
process. It separates the supraspinous fossa from the infraspinous fossa.
The spine
of the scapula is of functional importance because it is the origin for:
1. the deltoid muscle.
Posterior (superficial) view of
deltoid origin, right side
It is also the insertion for:
1. the trapezius muscle.
Posterior (superficial) view of
trapezius insertion, right side
The above drawings of the origins and insertions might help visualize this
information (red is the origin, blue the insertion).
COPYRIGHT
2009 by William C. Johnson II
ALL RIGHTS RESERVED!
