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37 Cards in this Set

  • Front
  • Back
What does every spinal nerve divide into?
A dorsal rami and a ventral rami
Two types of skeletons?
Axial and appendicular
Does the upper extremity innervation involve a dedicated plexus. If yes, which is it?
Brachial plexus
Origin of Levator scapulae
Origin of Rhomboid minor
Innervation of Trapezius
Cranial Nerve XI
Which are intrinsic: deep or superficial?
Deep muscles
Innervation of Rhomboid major
Dorsal scapular nerve
Innervation of Rhomboid minor
Dorsal scapular nerve
Innervation of Levator scapulae
Dorsal scapular nerve
Action of Rhomboid Minor
Elevates and retracts the scapula
Action of Rhomboid Major
Elevates and retracts the scapula
Action of Levator scapulae
Elevates the scapula
Action of Latissimus dorsi
Extends, adducts, and medially rotates humerus
Which are the minor ones in humans?
Intermediate muscles
Insertion of Latissimus dorsi
Intertubercular groove of humerus
What is responsible for inferior rotation of the scapula?
Levator Scapulae and Romboideus Major and Minor
What are the parts of the appendicular skeleton?
Limbs, everything not axial
Insertion of Rhomboid major
What is responsible for depression of the scapula?
Lower trapezius and Lower Serratus Anterior
Action of Trapezius
Powerful elevator of the scapula, rotates scapula during abduction of humerus above horizontal
What is responsible for retraction of the scapula?
Rhomboids and Middle Trapezius
What is responsible for protraction of the scapula?
Serratus Anterior and Pectoralis Minor
Origin of Trapezius
Skull - T12
What are the parts of the axial skeleton?
Skull, spinal cord, ribcage, and sternum
Insertion of Trapezius
Spinal scapula, acromium, and lateral 1/3 of clavicle
Insertion of Rhomboid minor
Four layers of back muscle
Superficial, Scapular, Intermediate, and Deep Muscles
Origin of Rhomboid major
Origin of Latissimus dorsi
T6 - Illiac Crest
What is the joint between the scapula and clavicle?
The acrominoclavicular joint
What is the only joint that connects the upper extremity to the axial skeleton?
The sternoclavicular joint
Innervation of Latissimus dorsi
Thoracodorsal nerve
What is responsible for superior rotation of the scapula?
Upper and Lower Trapezius and Lower Serratus Anterior
Insertion of Levator scapulae
What is responsible for elevation of the scapula?
Upper trapezius and levator scapulae
Which rami are almost all nerves
Ventral rami