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UB PAS 407 EXAM 1 2024/2025 verified Solution
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UB PAS 407 EXAM 1 2024/2025 verified Solution
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Passed!!2024/2025
UB PAS 407 EXAM 1
Trapezius
Function: elevates, retracts, depresses, and rotates scapula
Innervation: Accessory n. (CN XI)
Vascularization: Transverse cervical and dorsal scapular arteries
Latissimus dorsi
Function: extends, adducts, and medially rotates humerus
Innervation: Thoracodorsal nerve
Vascularization: Thoracodorsal artery
Levator scapulae
Function: elevates scapula, tilts glenoid cavity inferiorly
Innervation: Dorsal scapular nerve; Cervical nerves C3 and C4
Vascularization: Dorsal scapular artery
Rhomboids (major and minor)
, Passed!!
2024/2025
Function: retract and rotate scapula, fix scapula to thoracic wall
Innervation : Dorsal scapular nerve
Vascularization: Dorsal scapular artery
Serratus posterior superior
Function: proprioception, elevates upper ribs (inspiration?)
Innervation: intercostal nerves 2-5
Vascularization: Posterior intercostal arteries
Serratus posterior inferior
Function: proprioception, depresses lower ribs (expiration?)
Innervation: Intercostal nerves 9-12
Vascularization: Posterior intercostal arteries
Splenius (capitis and cervicis)
Function: Unilateral: rotation of head to same side
Bilateral: extension of head and neck
Innervation: Dorsal rami of spinal nerves
Vascularization: Occipital artery
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