Question | Answer |
Where is Triangle of Auscultation located? | Upper border of latissimus dorsi, lateral border of trapezius, medial border of scapula
Floor is formed by rhomboid major |
Where is the lumbar triangle located? | Formed by the iliac crest, latissimus dorsi, and external oblique abdominal muscle
Floor is formed by internal oblique abdominal muscle |
Where is the Occipital Artery? | Arises from carotid artery, runs deep to the SCM, lies on obliquus capitis superior and semispinalis capitis |
What does the Occipital Artery do? | Pierces the trapezius, is accompanied by the greater occipital nerve and supplies the scalp in the occipital region |
What are the superficial muscles of the back? | Trapezius, levator scapulae, rhomboid minor, rhomboid major, latissimus dorsi, serratus posterior superior, serratus posterior inferior |
Origin of Trapezius? | occipital bone, nuchal line, SP of C7-T12 |
insertion of trapezius? | Lat 1/3 of clavicle, acromion & spine of scapula |
Action of trapezius? | Elevates, retracts, depresses and rotates scapula |
Innervation of trapezius? | Spinal Accessory n. (C3-C4) |
Origin of latissimus dorsi? | SP of T& to sacrum, thoracolumbar fascia, iliac crest, ribs 10-12 |
Insertion of latissimus dorsi? | Intertubercular groove of humerus |
Action of latissumus dorsi? | |