Superficial Back POINA Flashcards
(20 cards)
Latissimus Dorsi Purposeful Action
Propelling WC forward, pushing arms of chair to stand
Latissimus Dorsi Actions
Extension, adduction, IR, raise body towards arm when climbing
Head/neck: extend, ipsilateral flexion, contralateral rotation
Latissimus Dorsi Distal Attachment
Interbecular sulcus of humerus
Latissimus Dorsi Proximal Attachment
-Inferior angle of scapula (7% of people)
-Spinous process of T6-T12
-Thoracolumbar fascia
-Iliac crest
-Inferior 3/4 ribs
Latissimus Dorsi Innervation
Thoracodorsal 6-8 (TD 6-8)
Trapezius Purposeful Action
Reaching for object overhead (upper and lower), rowing kayak (middle)
Trapezius Actions (Scapula)
-Upper: Elevation, upward rotation
-Middle: Adduction, stabilize scapula
-Lower: Depression, upward rotation
Trapezius Proximal Attachment
-External occipital protuberance
-Medial 1/3rd of superior nuchal line
-Nuchal ligament
-Spinous process of C7-T12
Trapezius Distal Attachment
-Acromion (middle)
-Lateral 1/3rd of clavicle (upper)
-Spine of scap (lower)
Trapezius Innervation
-Cranial nerve 11 (spinal accessory)
-Ventral ramus of C3-4
Levator Scapulae Purposeful Action
Shrugging, carry briefcase, carry backpack on one shoulder
Levator Scapulae Action
Elevation, downward rotation (LED)
Levator Scapulae Proximal Attachment
Spinous process of C1-C4
Levator Scapulae Distal Attachment
Medial border of scapula (between superior angle and root of spine)
Levator Scapulae Innervation
Cervical 3/4 and dorsal scapular nerve (DSN, C4/5, shared with rhomboid)
Rhomboid Purposeful Action
Reaching into back pocket
Rhomboid Action
Retraction, downward rotation, fix scapula to thoracic wall (First and last letter)
Rhomboid Proximal Attachment
Major: Spinous process of T2-T5
Minor: Nuchal ligament, spinous process of C7-T1
Rhomboid Distal Attachment
Major: Medial border of scapula (between spine and inferior angle)
Minor: Medial border of spine
Rhomboid Innervation
DSN (C4-C5) (Same as levator)
