Pin Pointing Mid Back Pain

Spinalis.png

 

Erecor spinae muscles pg 203
Origin- common tendon (thoraculumbar aponeurosis) that attaches to the posterior surface of sacrum, iliac crest, spinous processes of the lumbar and last two thoracic vertebrae
Insertion- various attachments at the posterior ribs, spinous and transverse processes of thoracic and cervical vertebrae, and mastoid process of temporal bone
Movement - unilaterally: laterally flex vertebral column to the same side bi laterally: extend the vertebral column

 

serratus_anerior.jpgSerratus anterior pg 94
Origin - surfaces of upper eight or nine ribs
Insertion- anterior surface of medial border of the scapula
Movement - with the origin fixed: abduct the scapula, depress the scapula and hold the medial border of the scapula against the rib cage. 
Joint -  scapulothoracic

 


serratus_superior_posterior.jpg
Serratus posterior pg 222
Origin- spinous processes of T- 12 to L-3
Insertion - posterior surface of ninth through twelfth ribs
Movement - depress the ribs during exhalation

 



 

 Rectus_abdominis.png

Inferior rectus abdominus p 216
Origin- pubic crest, pubic symphysis
Insertion- cartilage of fifth, sixth and seventh ribs and xiphoid process
Movement - flex the vertebral column
Joint

 

 


Infraspinatus.png
 

Infraspinatus pg 83
Origin- infraspinous fossa 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