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Superficial Muscles
attatchments, blood supply, innervation
Question | Answer |
---|---|
Trapezius proximal attachments | medial 1/3 of superior nuchal line, occipital protuberance, nuchal ligament and spinous process (c7-T12) |
Trapezius distal attachments | lateral 1/3 of clavicle, acromion and spine of scapula |
Trapezius innervation | motor- accessory nerve (CN XI) sensory- spinal nerves (C3-4) |
Trapezius blood supply | Transverse cervical artery |
Latissimus dorsi proximal attachments | spinous process T7-T12, thoracolumbar fascia, iliac crest, inferior ribs |
Lat Dors distal attachments | intertubercular groove of humerus |
Lat Dors Innervation | Thoracodorsal nerve (C6,7,8) |
Lat Dors Blood Supply | Thoracodorsal artery |
Levator scapulae proximal attachment | posterior of transverse process (c1-4) |
Levator scapulae distal attachment | medial border of the scapula, superior to spine |
Levator scapulae innervation | Dorsal scapular nerve (c4,5) |
Levator scapulae blood supply | Transverse cervical artery |
Rhomboid major proximal attachment | spinous process t1-5 |
Rhomboid major distal attachment | medial border of scapula inferior to spine |
Rhomboid major innervation | dorsal scapular nerve (c4,5) |
Rhomboid major blood supply | Transverse cervical artery |
Rhomboid minor proximal attachment | nuchal ligament, spinous processes c6-7 |
Rhomboid minor distal attachment | medial border of scapula at spine level |
Rhomboid minor innervation | dorsal scapular nerve (c4,5) |
Rhomboid minor blood supply | transverse cervical artery |
Triangle of Auscultation borders | Medial: inferior part of trap Lateral: medial border of scapula Inferior: lat dors floor: rhomboid major/seratus posterior |
Lumbar (Petit's) Triangle borders | Medial: lat dors Lateral: external oblique (abs) Inferior: iliac crest Floor: internal oblique (abs) |