A 58 year old male presents to the ER complaining of pain and inability to move

Question

A 58 year old male presents to the ER complaining of pain and inability to move his left arm. 2 hours prior to presentation, he tripped while playing golf and fell on his arms. Physical examination revealed abduction and numbness on lateral aspect of arm, loss of normal shoulder curvature, and a moving lump below his left clavicle. Patient was immediately sent for x-ray.
1) the shoulder joint is what type of joint?
2)what is the most likely diagnosis?
3)what is thr clinical significance of the shoulder joint anatomy?
4)explain the etiology of his arm numbness.

Explanation / Answer

1) It is a Ball and socket joint between humerus(bone of upper arm) and glenoid cavity of scapula( s- shaped shoulder blade).

The shoulder is made up of three bones namely, Scapula (shoulder blade),Clavicle (collar bone), Humerus (upper arm bone).These bones are joined together by ligaments & tendons.It is a type of ball and socket joint which comprises of three joints:

The important joint of the shoulder is the glenohumeral joint. This joint comprises a ball (the humeral head) on a glenoid cavity of scapula

2) disorientation of sholuder joint and separation of joints occured.

3) clinical significance of shoulder joint anatomy:

a) SLAP tear or superior labral tear from anterior to posterior is a injury of glenoid labrum in which uppermost area of labrum gets affected.symptoms include shoulder discomfort, ache and requires surgery.

b) dislocation of shoulder caused by sudden jerk or pull. can be diagnosed physically by a doctor.

c) shoulder separation when clavicle tears apart from scapula or come near it. causes pain, discomfort in moving hands.

d) inflammation of ligaments and tendons, cause pain and discomfort in moving shoulders.

e) frozen shoulder a.k.a adhesive capsulitis involves partial or total cracks in bones of shoulder.

4) arm numbness was due to shoulder disorientation and inflammation of muscle tissue surrounding the shoulder bones.

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