𝟐𝟎. 𝐂𝐮𝐭𝐚𝐧𝐞𝐨𝐮𝐬 𝐧𝐞𝐫𝐯𝐞𝐬 𝐚𝐧𝐝 𝐝𝐞𝐫𝐦𝐚𝐭𝐨𝐦𝐞𝐬 𝐨𝐟 𝐭𝐡𝐞 𝐮𝐩𝐩𝐞𝐫 𝐥𝐢𝐦𝐛

This video explains the cutaneous supply and dermatomes of the upper limb (including MCQ, practical, and interactive questions).

* 𝐂𝐡𝐚𝐩𝐭𝐞𝐫𝐬 (𝐭𝐢𝐦𝐞𝐬𝐭𝐚𝐦𝐩𝐬)💡الفصول (الطوابع الزمنية)
00:00 - Intro (مقدمة)
00:22 - Content (المحتوى)
00:59 - What does CUTANEOUS supply mean?
03:19 - What DERMATOME means?
05:58 - Cutaneous supply of the upper limb
15:55 - MCQ
17:02 - Dermatomes of the upper limb
17:24 - What are the axial lines?
20:12 - Chart of dermatomal supply
23:00 - MCQ
23:44 - Practical questions
24:46 - Interactive questions

* 𝑫𝒊𝒇𝒇𝒆𝒓𝒆𝒏𝒄𝒆 𝒃𝒆𝒕𝒘𝒆𝒆𝒏 𝒄𝒖𝒕𝒂𝒏𝒆𝒐𝒖𝒔 𝒔𝒖𝒑𝒑𝒍𝒚 𝒂𝒏𝒅 𝒅𝒆𝒓𝒎𝒂𝒕𝒐𝒎𝒂𝒍 𝒔𝒖𝒑𝒑𝒍𝒚:
𝑰. 𝑪𝒖𝒕𝒂𝒏𝒆𝒐𝒖𝒔 𝒔𝒖𝒑𝒑𝒍𝒚
- The cutaneous supply is the area of skin supplied by the cutaneous nerve, which may
arise from more than one spinal cord segment.
(Example: Skin overlying the upper ½ of the deltoid is supplied by the “lateral supraclavicular
nerve” which arises from C. 3, 4 segments)

𝑰𝑰. 𝑫𝒆𝒓𝒎𝒂𝒕𝒐𝒎𝒂𝒍 𝒔𝒖𝒑𝒑𝒍𝒚
- The dermatome is the area of skin supplied by one segment of the spinal cord or
one cranial nerve.
(Example: Tip of the shoulder is supplied by “C. 4” segment of the spinal cord)

* 𝐌𝐂𝐐: 💪🦾
1. Cervical segment number 6 receives cutaneous sensation from which of the following parts?
A. Lateral side of the forearm
B. Medial side of the forearm
C. Front of the forearm
D. Back of the forearm

2. Which of the following is the root value of the lateral cutaneous nerve of the forearm?
A. 5
B. 6
C. 7
D. 5, 6, 7

3. The nerve that provides a sensory supply to the anterior & posterior aspects of the hand is which of the following?
A. Ulnar nerve
B. Median nerve
C. Musculocutaneous nerve
D. Radial nerve

4. Which of the following aspects of the forearm is supplied by a direct branch of the brachial plexus?
A. Posterior
B. Medial
C. Lateral
D. Anterior

5. The dermatomal supply over the shoulder tip is derived from which spinal segment?
A. C. 4
B. C. 5
C. C. 6
D. T. 1

😂💞 🤣 𝓦𝓪𝓲𝓽𝓲𝓷𝓰 𝓕𝓸𝓻 𝓨𝓸𝓾𝓻 𝓐𝓷𝓼𝔀𝓮𝓻 😂💞 🤣

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#upper_limb
#cutaneous_nerves
#dermatomes