NMT QUIZ 5 Flashcards
Latissimus Dorsi ORIGIN
Inferior angle of scapula SPs of last 6 thoracic vertebrae Last 3-4 ribs Thoracolumbar Aponeurosis Posterior iliac crest
Latissimus Dorsi INSERTION
Intertubercular Groove of humerus
Latissimus Dorsi ACTION
Extend the shoulder
Adduct the shoulder
Medially rotate the shoulder
Teres Major ORIGIN
Inferior angle and lower 1/3 of the lateral border of scapula
Teres Major INSERTION
Crest of the lesser tubercle of humerus- medial lip
Teres Major ACTION
Extend the shoulder @ GH joint
Adduct the shoulder @ GH joint
Medially rotate the shoulder @ GH joint
Quadratus Lumborum ORIGIN
Last rib
TPs of lumbar vertebrae 1-4
Quadratus Lumborum INSERTION
Internal lip of posterior iliac crest
Quadratus Lumborum ACTION
Unilaterally:
Lateral tilt of pelvis (elevate)
Lateral flex of vertebral column to the same side
Assist to extend the vertebral column
Bilaterally:
Fix the last rib during forced inhalation/exhalation
Which back muscle is the widest
Latissimus Dorsi
Which lower back muscle is most superficial
Latissimus Dorsi
When lats and traps overlap which is more superficial
Traps
What are the 3 Erector Spinae muscles - MEDIAL TO LATERAL
Spinalis
Longissimus
Iliocostalis
What are the 3 subsets of Spinalis
Spinalis CAPITIS
Spinalis CERVICIS
Spinalis THORACIS
What are the 3 subsets of Longissimus
Longissimus CAPITIS
Longissimus CERVICIS
Longissimus THORACIS