The document discusses brachial plexus injuries, which affect nerves that control muscles in the shoulder and arm. It notes that injuries often impact the deltoid and supraspinatus muscles, causing weakness in shoulder abduction. Damage to the musculocutaneous nerve can result in elbow flexion weakness by paralyzing the biceps and brachialis. The lower brachial plexus, comprised of the C8 and T1 nerves that form the ulnar nerve, is most susceptible to injury.

1. BRACIAL PLEXUS
AND INJURIES
By-Marmik joshi

4. CLINICALPRESENTATION

7. Muscles affected by this injury
are the primary abductors of the
arm at the shoulder.
1) DELTOID
2) SUPRASPINATUS

9. • The Musculocutaneous nerve
supplies all the muscles of the
anterior compartment of the
arm.
• Injury to this nerve will result in
loss or weakness of flexion at
the elbow due to paralysis of
the biceps brachii and
brachialis muscles.

12. What Is Axilla?
the space below the shoulder
through which vessels and nerves
enter and leave the upper arm(a
person's armpit.)

15. •The C8 and T1 portion of the
lower brachial plexus most
likely to injured.
•C8 and T1 makes up the
majority of the UNLAR NERVE

20. THANK YOU!!