Trapezius Flashcards
1
Q
Origin or Trap
A
- External occipital protuberance
- Medial part of the superior nuchal line
- Nuchal ligament (EOP-c7)
- Spinous process (c7-t12)
- Supraspinous ligaments (c7-t12)
2
Q
Insertion of trap
A
- Upper 3rd: posterior inner surface of the lateral aspect of the clavicle
- Middle 3rd: acromion process
- Lower 3rd: spine of scapula
3
Q
Upper 3rd trap
A
EOP-C4
4
Q
Middle 3rd trap
A
C5-T4
5
Q
Lower 3rd of trap
A
T5-T12
6
Q
Innervation of trap
A
Accessory nerve (cranial nerve XI)
7
Q
Blood supply for trap
A
-Transverse cervical artery from the subclavian artery (Transverse cervical vein carries it away)
8
Q
Action upper 3rd of trap
A
Shoulder elevation, clavicular elevation
9
Q
Action for middle third of Trap
A
- Shoulder elevation
- Upward scapular rotationScapular retraction
10
Q
Action lower 3rd of Trap
A
- Shoulder and scapular depression
- Upward scapular rotation
