ANATOMY AND PHYSIOLOGY – HUB1019F
The shoulder
The shoulder joint is known as the glenohumeral joint – ball & socket joint – shallow
socket and is unstable
The pectoral girdle = clavicle + scapula
Serves to attach upper limb to the trunk & provide attachment sites for muscles
that move the upper limb
It is an incomplete girdle – it does not fully encircle the body
The shoulder – osteology
Clavicle Scapula
3 BONES OF THE
SHOULDER JOINT
Humerus
SCAPULA:
• Flat triangle – 3 boarders & 2 angles
,Attachments on the anterior (costal) surface:
Attachments on the posterior (dorsal) surface:
, HUMERUS:
The proximal end of the humerus is involved in the shoulder
CLAVICLE:
The shoulder
The shoulder joint is known as the glenohumeral joint – ball & socket joint – shallow
socket and is unstable
The pectoral girdle = clavicle + scapula
Serves to attach upper limb to the trunk & provide attachment sites for muscles
that move the upper limb
It is an incomplete girdle – it does not fully encircle the body
The shoulder – osteology
Clavicle Scapula
3 BONES OF THE
SHOULDER JOINT
Humerus
SCAPULA:
• Flat triangle – 3 boarders & 2 angles
,Attachments on the anterior (costal) surface:
Attachments on the posterior (dorsal) surface:
, HUMERUS:
The proximal end of the humerus is involved in the shoulder
CLAVICLE:
