Pin Pointing Pan Posterior Shoulder Pain

Anterior muscles

 

Scalene pg 253
Origin- transverse processes of third through sixth cervical vertebrae (anterior tubercles)
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

 

Coracobrachialis pg 107
Origin- coracoid process of the scapula
Insertion - medial surface of mid-humeral shaft
Movement - flex the shoulder
Joint - glenohumeral
Nerve - musculocutaneous


 

Lateral View muscles

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

 

 

 

 

 

Subscapularis pg 82
Origin - subscapular fossa of the scapula
Insertion - lesser tubercle of the humerus
Movement - medially rotate and statbilize the head of the humerus in the glenoid cavity
Joint - lesser tubercle of the humerus
Nerve  - upper and lower subscapular

 

Posterior muscles

 

Levator scapulae pg 91
Origin - transverse processess of the first - fourth cervical vertebrae
Insertion - upper region of medial border and superior angle of scapula
Movement - elevate, downwardly rotate the scapula, Laterally flex and rotate the head to the same side
Joint -  scapulothoracic
Nerve  - dorsal scapular and cervical nerves

 

 

 

 

 

 

 

Deltoid pg 75
Origin - lateral one third of the clavicle, acromion and spine of the scapula
Insertion - deltoid tuberosity
Movement - abduct the shulder aterior view: flex, medially rotate and horizontally adduct the shoulder. posterior view: extend, laterally rotate, horizontally abduct the shulder
Joint - glenohumeral
Nerve  - axillary from brachial plexus

 

 

 

 

Triceps pg 105
Origin - long head: infraglenoid tubercle of the scapla. Lateral head: posterior surface of proximal half of the umerus Medial head: posterior surface of distal half of the humerus
Insertion - ocecranon process of the ulna
Movement - all heads: extend the elbow
long head: extend and adduct the shoulder
Joint - humeroulnar and glenohumeral
Nerve  - radial

 

 

 

 

 

Trapezius pg 76
Origin - external occipital protuberance, medial portion of superior nuchal line of the occiput, ligamentum nuchae and spinous processses of C - 7 through T - 12
Insertion - lateral one third of clavicle, acromion and spine of the scapula
Movement - upper , bilaterally extends the head and neck, unilaterallly, laterally flex the head and neck to the same side, Rotate the had and neck to the opposite side, elevate the scapula, upwardly rotate the scapula
Joint - scapulothoracic
Nerve  - spinal accessory and cervical plexus

 

 

 

 

 

 

 

 

Supraspinatus pg 82
Origin - supraspinous fossa of the scapula
Insertion - greater tubercle of the humerus
Movement - abduct the shoulder and stabilize head of humerus in glenoid cavity
Joint - glenohumeral
Nerve  - suprascapular

 

 

 

 

 

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

 

 

 

 

 

 

 

Teres minor pg 82
Origin - superior half of lateral border of the scapula
Insertion - greater tubercle of teh humerus
Movement - laterally rotate, adduct, extend, horzontaly abduct the shoulder, stabilize head of humerus in glenoid cavity
Joint - glenohumeral
Nerve  - axillary

 

 

 

 

 

 

Serratus posterior superior pg 222
Origin - spinous processess of C - 7 through T - 3
Insertion - posterior surface of second through fifth ribs
Movement - elevate the ribs during inhalation
Nerve - spinal nerves one through four

 

 

 

 

 

 

 

Spinalis pg 203
Origin - common tendon (thoracolumbar aponeurosis) that attaches to the posterior surface of sacrum, iliac crest, spinous processes of teh lumbar and last two thoracic vertebrae
Insertion - various attachments at th eposterior ribs, spinous an dtransverse processes of thoracic and cervical vertebrae, and mastoid process of tempral bone.
Movement - unilatterally: laterally flex vertebral column to the same side Bilaterally: extend the verebral column 
Nerve  - dorsal primary divisions of the spine