shoulder girdle muscles Flashcards
1
Q
what is the origin of trapezius muscle
A
occipital tuberance ligamentum nuchae from c7 down to t12 spinous process
2
Q
what is the insertion of the upper part of the trapezius
A
lateral portion of clavicle
3
Q
what is the insertion of the middle part of the trapezius
A
medial border of acromium and spine of scapula
4
Q
what is the insertion of the lower part of the trapezius
A
medial border at the level pf the spine of scapula
5
Q
what is the action of the upper part of trapezius
A
elevation
6
Q
what is the action of the middle part of the trapezius
A
pretraction
7
Q
what is the action of the lower part of the trapezius
A
depression
