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Shoulder

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mellowstar51's version from 2016-06-29 17:24

Section 1

Question Answer
Levator ScapuliO- Transverse processes of C1-C4; I- Medial border of scapula
Pectoralis MinorO- Ribs(next to costal margins); I- Coracoid Process (Ulna)
TrapeziusO- Occipital Bone, C7, T vertebrae; I- Acromion and spine of scapula, and clavicle
CoracobrachialisO- Coracoid Process; I- Medial surface of humerus
DeltoidO- Clavicle and spine of scapula; I- Deltoid tuberosity (Humerus)
SupraspinatusO- Supraspinous fossa of scapula; I- Superior greater tubercle (Humerus)
Teres MajorO- Scapula; I- Intertubercular sulcus (Humerus)
Teres MinorO- Scapula, I- Greater tubercle (Humerus)
Triceps BrachiiO- Long: Scapula, Medial and Lateral: Humerus; I- Olecranon process (Ulna)
Latissimus DorsiO- T6-T12, Iliac Crest; I- Intertubercular sulcus (Humerus)
Pectoralis MajorO- Clavicle, sternum, aponeurosis of external obliques; I- Intertubercular sulcus (Humerus)
Biceps BrachiiO- Short: coracoid process, Long: Scapula; I- Radius
SubclaviusO- 1st rib at the junction with the costocartilage, I- Inferior surface of the middle one-third of the clavicle
Rhomboid MajorO- Spinous processes T2-T5, I- Medial border of scapula from the root of the spine to the inferior angle
Rhomboid MinorO- Spinous processes C7-T1, I- Medial border of scapula from the root of the spine to the inferior edge
Serratus AnteriorO- Lateral surfaces of upper 8 or 9 ribs, I- Costal surface of medial border of the scapula
InfraspinatusO- Infraspinatous fossa of the scapula, I- Greater tubercle of the humerus
SubscapularisO- Subscapular fossa of the scapula, I- Lesser tubercle of the humerus
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Section 2

Question Answer
Elevation of the scapulaTrapezius (upper fibers), Levator Scapula, Rhomboids
Depression of the scapulaTrapezius (lower fibers), Pectoralis Minor, Serratus Anterior
Retraction of the scapulaTrapezius (all fibers), Rhomboids
Protraction of the scapulaPectoralis Minor, Serratus Anterior
Upward Rotation of the scapulaTrapezius (all fibers), Serratus Anterior
Downward Rotation of the scapulaLevator Scapula, Rhomboids
Flexion of the shoulderDeltoid (anterior fibers), Pectoralis Major (Clavicular fibers), Coracobrachialis, Biceps Brachii
Extension of the shoulderDeltoid (posterior fibers), Latissimus Dorsi, Teres Major, Pectoralis Major (costal fibers)
Abduction of the shoulderDeltoid (all fibers), Supraspinatus, Pectoralis Major (overhead)
Adduction of the shoulderPectoralis Major, Latissimus Dorsi, Teres Major, Coracobrachialis, Biceps Brachii (short head)
Internal Rotation of the shoulderDeltoid (anterior fibers), Pectoralis Major, Latissimus Dorsi, Teres Major, Subscapularis
External Rotation of the shoulderDeltoid (posterior fibers), Infraspinatus, Teres Minor
Horizontal Abduction of the shoulderDeltoid (posterior fibers), Infraspinatus, Latissimus Dorsi, Teres Minor
Horizontal Adduction of the shoulderPectoralis Major, Deltoid (anterior fibers)
memorize

 

Question Answer
DeltoidAll Fibers - abduction of the shoulder; Anterior Fibers - flexion, internal rotation, and horizontal adduction of the shoulder; Posterior Fibers - extends, externally rotates, and horizontally abducts the shoulder
Pectoralis MajorClavicular Fibers - Flexion of the shoulder; All Fibers - horizontal adduction of the shoulder; internal rotation of the shoulder
Coracobrachialisflexion and adduction of the shoulder
Biceps BrachiiLong Head - flexion and abduction of the shoulder; Short Head - adduction of the shoulder; All - flexion and supination of the forearm
Pectoralis MinorProtraction and depression of the scapula, elevation of ribs 3-5
Subclaviusfixes the clavicle inferiorly or elevates the first rib
TrapeziusIpsilaterally - extends and laterally flexes the head and neck to the same side; Contralaterally - Rotates the head and neck to the same side; Upper Fibers - elevates and upwardly rotates the scapula; Lower Fibers - depresses and upwardly rotates the scapula; Entire Muscle - retracts the scapula
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Section 3

Question Answer
DeltoidAxillary c5, 6
TrapeziumSpinal portion of cranial nerve XI (accessory) and ventral C2, 3, 4
Latissimus dorsiThoracodorsal C6, 7, 8
Teres majorLower subscapular C5, 6, 7
SupraspinatusSubscapular C4, 5, 6
SubscapularisUpper and lower subscapular C5, 6, 7
InfraspinatusSubscapular C(4), 5, 6
Teres minorAxillary C5, 6
RhomboidDorsal subscapular C4, 5
Serratus anteriorLong thoracic C5, 6, 7, 8
Pectoralis majorLateral pectoral C5, 6, 7 (Upper) and lateral and medial pectoral C6, 7, 8, T1 (Lower)
Pectoralis minorMedial pectoral with fibers from a communicating branch of the lateral pectoral C(6), 7, 8, T1
SubclaviusSubclavian C5, 6
Biceps brachiiMusculotaneous C5, 6
Triceps brachiiRadial C6, 7, 8, T1
CoracobrachialisMusculotaneous C6, 7
Levator scapulaeCervical nerve C3, 4, and dorsal scapular nerve C5
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