Pin Pointing pain anterior shoulder pain

Anterior muscles

 

biceps.jpgBiceps brachii pg 103
Origin- short head: coracoid process of scapula, long head: supraglenoid tubercle of scapula
Insertion- tuberosity of the radius and aponeurosis of the biceps brachii
Movement - flex the elbow
Joint - humerolulnar
Movement - supinate the forearm
Joint - radiounlnar
Movement - flex the shoulder
Joint - glenohumeral
Nerve - musculocutaneous

 


Deltoid.png
 

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


Pectoralis_major.png
 

 major pg 97
Origin- medial half of clavicle, sternum and cartilage of first through sixth ribs
Insertion - crest of greater tubercle of humerus
Movement - adduct and medially rotate the shoulder
Joint - glenohumeral
Nerve - medial and lateral pectoral

 


Pectoralis_minor.png
 

Pectoralis minor pg 100
Origin - third, fourth and fifth ribs
Insertion- coracoid process of the scapula
Movement - depress, abduct and tilt the scapula anterior
Joint - scapulorthoracic


Scalene_muscle.png

 

 

Scalene pg 252
Origin - transverse processes of third through sixth cervical vertebrae
Insertion - first rib
Movement - unilaterally: with the 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
Flex the head and neck  
Nerve - cervical and brachial plexuses

 

                                        

Lateral muscles


 

Latissimus_dorsi_.png

 

Latissimus dorsi pg 79
Origin- Spinous processes of last six thoracic vertebrae,last three or four ribs, thoracolumbar aponeurosis and posterior iliac crest
Instertion - Crest of the lesser tubercle of the humerus
Movement - extend the shoulder, adduct the shoulder, medially rotate the shoulder
Join - glenohumeral joint
Nerve - thoracodorsal

 

 

 

 

Posterior muscles 

Infraspinatus.pngInfraspinatus pg 82
Origin- Infraspinous fossa of the scapula
Insertion- greater tubercle of the humerus
Movement - laterally rotate, adduct, extend and horizontally abduct the shoulder, stabilize head of humerus in glenoid cavity.
Joint - glenohumeral
Nerve - suprascapular


                                            

 

 

                        Supraspinatus.png                   

Supraspinatus pg 82 
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
Nerve - suprascapular