Surface back muscles Flashcards
Serratus posterior superior and inferior
Serratus posterior superior nerve supply
Intercostal nerves 2-5
Serratus posterior superior proximal attachment
- Supraspinal ligament
- Ligamentum nuchael
- Spinous process of T1-T3
- 7th cervical vertebra
Serratus posterior superior distal attachment
-Upper borders of ribs
trapezius
Nerve supply of the trapezius
Spinal accessory (C9)
trapezius proximal attachment
- Superior nuchal line
- Nuchal ligament
- External occipital protuberance
- Spinous process C7-T12
trapezius distal attachment
- Lateral 3rd of clavicle
- Acromion and spine of clavicle
trapezius actions
- Elevates, depresses and retracts the scapula
- Rotates glenoid cavity superiorly
What is found between the trapezius, infraspinatus, and lat?
triangle of auscultation
Latimus dorsi
Latimus dorsi nerve supply
Thoracodorsal
Latimus dorsi proximal attachment
- Spinous process of inferior 6 thoracic vertebrae
- Thoracolumbar fascia
- Iliac crest
- Inferior 3-4 ribs
Latimus dorsi distal attachment
floor of bicipital groove
Latimus dorsi actions
- Extends, adducts, medially rotates the humorous
- Raises body towards arms during climbing
what are the three transverse spinalis muscles?
- Semi-spinalis
- Multifidus
- Rotators
longissimus thoracis
Spinalis thoracis
iliocostalis lumborum