SCAPULAR DEPRESSORS Flashcards
Scapular Depressors:
Muscles Involved (3)
Trapezius
Pectoralis Minor
Serratus Anterior
O: Trapezius
Occipital bone, ligamentum
nuchae, spine of the C7 and
all Thoracic Vertebrae
I: Trapezius
Upper Fiber: lateral 3rd of clavicle
Middle-Lower Fiber: acromion
and spine of scapula
N: Trapezius
CN XI
A: Trapezius
UF: elevate the scapula
MF: pulls the scapula medially
LF: pulls scapula downward
O: Pectoralis Minor
3rd-5th ribs
I: Pectoralis Minor
Coracoid process of scapula
N: Pectoralis Minor
Medial Pectoral
A: Pectoralis Minor
Depresses point of shoulder
O: Serratus Anterior
Upper 8 ribs
I: Serratus Anterior
Medial border and inferior
angle of scapula
N: Serratus Anterior
Long Thoracic
Nerve
A: Serratus Anterior
Rotates scapula