Muscles(traps) Flashcards
What are the superficial back muscles?
Trapezius
Lattisimus Dorsi
What are the intermediate muscles of the back?
Levator Scapulae Rhomboid Major Rhomboid Minor Serratus posterior superior serratus posterior inferior
What is the function of the Trapezius?
suspend scapula and keep it in place
What are the parts of the trapezius?
superior
middle
inferior
What is the function of the superior trapezius?
elevates point of scapula
What is the function of the middle part of the trapezius?
retraction of scapula
What is the function of the inferior part of the trapezius?
pulls the spine lower
What does the superior and inferior parts of the traps combine to do?
raise the point of the scapula to a lesser extent (inferior)
What is the origin of the trapezius?
occipital bone of skull and all cervical and thoracic veterbrae
What is the insertion of the superior part of the trap?
lateral 1/3 of clavicle
What is the insertion of the middle part of trap?
acromiom of scapula
What is the insertion of the lower part of the trap?
spine of scapula