Week 1 Quiz 1 Flashcards
descending trapezius origin
occipital bone
descending trapezius insertion
clavicle
descending trapezius action
elevation, rotates glenoid cavity superiorly, tilts head to same side and rotates it opposite
transverse trapezius origin
aponeurosis at T1-T4 spinous processes
transverse trapezius insertion
acromion
transverse trapezius action
retraction
ascending trapezius origin
spinous process of T5-T12
ascending trapezius insertion
scapular spine
ascending trapezius action
depression
levator scapulae origin
transverse process of C1-C4
levator scapulae insertion
scapula
levator scapulae action
draws scapula medially upward while moving inferior angle medially; inclines neck to same side
rhomboid minor origin
spinous process of C6, C7
rhomboid minor insertion
medial border of scapula
rhomboid minor action
retraction, medial rotation, steadies scapula
rhomboid major origin
spinous process of T1-T4 vertebrae
rhomboid major insertion
below scapular spine
rhomboid major action
retraction, medial rotation, steadies scapula
gluteus maximus origin
sacrum, ilium, thoracolumbar fascia, sacrotuberous ligament
gluteus maximus insertion
upper fibers: iliotibial tract
lower fibers: gluteal tuberosity
gluteus maximus action
upper fibers: ABduction
lower fibers: ADDuction
entire muscle: extends/externally rotates hip in sagittal/coronal planes
gluteus medius origin
ilium
gluteus medius action
anterior part: flexion/internal rotation
posterior part: extension/external rotation
entire muscle: ABducts hip, stabilizes pelvis in coronal plane
splenius origin
superficial, cervical