Back and Shoulder Deep Flashcards
Superficial Back Muscles
Trapezius
Latissismus Dorsi
Levator Scapula
Rhomboid Major and Minor
Intermiadiate Back Muscles
Serratus Posterior Superior and Inferior
Deep Back Muscles
3 groups:
Erector Spinae
Transversospinal Group
Segmental Group
4224
C1-4 Levator Scapula
skip 2 (C5, C6)
C7, T1 Rhomboid Minor
T2-5 Rhomboid Major
- Deep Posterior Thoracoappendicular muscles
Rotator Cuff Muscles
Supraspinatus
Infraspinatus
Teres Minor
Subscapularis
- Scapulohumeral Muscles
Scapulohumaral Muscles
scapula –> humerus
Rotator Cuff: Supraspinatus Infraspinatus Teres Minor Subscapularus
Others:
Teres Major
Deltoid
Trapezius origin
Base of skull
Nuchal ligament
C7 - T12
Trapezius insertion
Lateral third of the clavicle
Acromion
Spine of the scapula
Trapezius action
Retraction, superior rotation, elevation and depression of the scapula
Trapezius innervation
Spinal accessory nerve
- with superior branch of transverse cervical artery
- deep to latissimus dorsi
- lateral to levator scapula (landmark)
Trapezius Arterial Supply
Superior Branch of Transverse Cervical Artery
- With spinal accessory nerve
- Deep to latissimus dorsi
- Lateral to Levator Scapula (Landmark)
Latissimus Dorsi origin
Spinous Processes T7-T12
Thoracoacrolumbar facia
Iliac Crest
Latissimus Dorsi insertion
Floor of the intertubercular groove humerus
Latissimus Dorsi action
Extension, adduction, and medial rotation of the arm
- aids in resp.
Latissimus Dorsi innervation
Thoracodorsal Nerve
- rises from posterior cord of the BP
- C5-T1
- with thoracodorsal artery
Latissimus Dorsi arterial supply
Thoracodorsal Artery
- rises from subscapular artery
- travels with thoracodorsal nerve