Pin Pointing Pain Posterior Arm

Anterior muscles


Coracobrachialis.png
Coracobrachialis pg 107
Origin- coracoid process of the scapula
Insertion - medial surface of mid-humeral shaft
Movement - flex the shoulder and adduct the shoulder
Joint - glenohumeral







Lateral muslces


subscapularis.jpg
Subscapularis pg 83
Origin - subscapular fossa of the scapula
Insertion - lesser tubercle of the humerus 
Movement - medially rotate the shoulder
Joint - glenohumeral

 

Latissimus_dorsi_.png

Latissimus dorsi pg 79
Origin- spinous processes of last six thoracic vertebrae
Insertion - crest of the lesser tubercle of the humerus 
Movement - extend the shoulder
Joint - glenohumeral 

 

 

 

 

 



Posterior muslces

Scalene_muscle.png

Scalene pg 252
Origin - transverse processes of fifth and sixth cervical vertebrae (posterior tubercles)
Insertion - second rib
Movement - ribs fixed, laterally flex the head and neck to the same side
rotate head and neck to the opposite side
Bilaterally - elevate the ribs during inhalation

 

 

Deltoid.png

Deltoid pg 75
Origin- lateral one third of clavicle, acromion and spine of scapula
Insertion- deltoid tuberosity
Movement - abduct the shoulder, extend the shoulder, laterally rotate the shoulder 
Joint - glenohumeral

 

 


biceps.jpg
 

Triceps pg 105
Origin- long head: infraglenoiod tubercle of the scapula
lateral head: posterior surface of proximal half of the humerus
medial head: posterior surface of distal half of the humerus
Insertion- olecranon process of the ulna
Movement - extend the elbow, extend the shoulder
Joint - humeroulnar, glenohumeral

 

 


Supraspinatus.png
 

Supraspinatus pg 83
Origin- supraspinous fossa of the scapula
Insertion - greater tubercle of the humerus 
Movement -  abduct the shoulder, stabilize head of humerus in glenoid cavity
Joint - glenohumeral

 

 

 

 

 Teres_major.png



Teres major pg 79
Origin - lateral side of inferior angle and lower half of lateral border of the scapula
Insertion - crest of the lesser tubercle of the humerus
Movement -  extend the shoulder, adduct the shoulder, medially rotate the shoulder
Joint - glenohumeral

 

 

 

 

teres_minor.jpg

Teres minor pg 83
Origin - superior half of lateral border of the scapula
Insertion - greater tubercle of the humerus
Movement - laterally rotate the shoulder, adduct the shoulder, extend the shoulder, horizontally abduct the shoulder, stabilize head of humerus in glenoid cavity
Joint - glenohumeral