RT Book, Section
A1 Malik, Sanjeev
A1 Pirotte, Andrew
A2 Sherman, Scott C.
SR Print(0)
ID 1103538419
T1 Shoulder
T2 Simon’s Emergency Orthopedics, 7e
YR 2014
FD 2014
PB McGraw-Hill Education
PP New York, NY
SN 978-0-07-181965-7
LK accessphysiotherapy.mhmedical.com/content.aspx?aid=1103538419
RD 2024/04/20
AB The  shoulder  is  composed  of  the  proximal  humerus,  clavicle,  and  scapula.  The  joints  of  the  shoulder  include  the  sternoclavicular  (SC),  the  acromioclavicular  (AC),  and  the  glenohumeral.  There  is  also  an  articulation  between  the  scapula  and  the  thorax.  Figures  16–1  to  16–3  provide  the  essential  anatomy,  both  osseous  and  ligamentous,  which  must  be  understood  to  comprehend  the  disorders  involving  the  shoulder.  Superficial  to  the  ligaments  are  the  muscles  that  support  the  shoulder  and  provide  for  its  global  range  of  motion.  The  rotator  cuff  surrounds  the  glenohumeral  joint  and  is  composed  of  the  supraspinatus,  infraspinatus  and  teres  minor  muscles  (insert  on  the  greater  tuberosity)  and  the  subscapularis  muscle  (inserts  on  the  lesser  tuberosity)  (Fig.  16–4).  Superficial  to  these  muscles  is  the  deltoid,  which  functions  as  an  abductor  of  the  shoulder.