𝟎𝟐. 𝐂𝐥𝐚𝐯𝐢𝐜𝐥𝐞 (الترقوة)

This video outlines the anatomy of the clavicle, including its anatomical position, general features, side identification, muscular attachments, articulations, ligaments, and applied anatomy.

* 𝐂𝐡𝐚𝐩𝐭𝐞𝐫𝐬 (𝐭𝐢𝐦𝐞𝐬𝐭𝐚𝐦𝐩𝐬)💡الفصول (الطوابع الزمنية)
00:00 - Intro (مقدمة)
00:22 - Content (المحتوى)
00:55 - Anatomical site of the clavicle (الموقع التشريحي للترقوة)
02:57 - General features (المعالم العامة للعظمة)
17:37 - Identification of the side (تحديد الجانب الأيمن أو الأيسر)
25:16 - Muscular attachments (اتصالات العضلات)
28:17 - Articulations (المفاصل)
30:34 - Ligaments (الأربطة)

* 𝐈𝐦𝐩𝐨𝐫𝐭𝐚𝐧𝐭 𝐜𝐥𝐢𝐧𝐢𝐜𝐚𝐥 𝐧𝐨𝐭𝐞: 👌
- The weakest point of the clavicle is the 𝒕𝒉𝒆 𝒋𝒖𝒏𝒄𝒕𝒊𝒐𝒏 𝒃𝒆𝒕𝒘𝒆𝒆𝒏 𝒕𝒉𝒆 𝒎𝒆𝒅𝒊𝒂𝒍 2/3 𝒂𝒏𝒅 𝒕𝒉𝒆
𝒍𝒂𝒕𝒆𝒓𝒂𝒍 1/3 (because there is a change in the CURVATURE of the clavicle at this point).
- Fracture at this point leads to: 🤛
1. The lateral fragment (including the whole upper limb) will be: ⬇️↗️
a. Depressed ⬇️--------------------------------------------- By gravity. (الجاذبية الأرضية)
b. Pushed forwards + Medially rotated ↗️----- By the muscles attached to the bicipital
groove of the humerus.
2. The medial fragment is elevated ⬆️-------------- By the sternocleidomastoid muscle.

* 𝐀𝐥𝐰𝐚𝐲𝐬 𝐫𝐞𝐦𝐞𝐦𝐛𝐞𝐫: 👇
1. The clavicle is the first bone to ossify—around the fifth to seventh weeks in utero (Moseley, 1968; Ogata and Uhthoff, 1990). It is also the last bone to fully unite—around the 22nd to 25th years (Rockwood et al., 2006; Kim and McKee, 2008).

2. Intramembranous ossification directly converts the mesenchymal tissue to bone, forming the flat bones of the skull, clavicle, and most cranial bones.

* 𝐌𝐂𝐐: 💪
1. ًWhich muscle is attached to the inferior surface of the clavicle?
A. Subclavius
B. Sternomastoid
C. Deltoid
D. Pectoralis major

2. ًWhich ligament is attached to the trapezoid line of the clavicle?
A. Costoclavicular
B. Coracoacromial
C. Coracoclavicular
D. Conoid

3. The anterior surface of the medial half of the clavicle shaft gives origin to which of the following structures?
A. Deltoid
B. Tapezius
C. Sternocleidomastoid
D. Pectoralis major

4. How many joints does the clavicle share in?
A. 1
B. 2
C. 3
D. 4

5. The joint formed by the combination of the clavicular notch of the sternum and the sternal end of the clavicle is called which of the following joints?
A. Sternoclavicular
B. Acromioclavicular
C. Glenohumeral
D. Manubriosternal

6. Which of the following ligaments is responsible for suspending the weight of the upper limb from the clavicle?
A. Sternoclavicular
B. Costoclavicular
C. Acromioclavicular
D. Coracoclavicular

7. Which of the following is the earliest bone to ossify in the body?
A. Humerus
B. Radius
C. Ulna
D. Clavicle
E. Femur

8. What is the position of the conoid tubercle concerning the trapezoid line?
A. Posterior
B. Anterior
C. Medial
D. Lateral

😂💞 🤣 𝓦𝓪𝓲𝓽𝓲𝓷𝓰 𝓕𝓸𝓻 𝓨𝓸𝓾𝓻 𝓐𝓷𝓼𝔀𝓮𝓻 😂💞 🤣

* 𝐅𝐨𝐫 𝐜𝐨𝐧𝐭𝐚𝐜𝐭: 📢
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* 𝐇𝐚𝐬𝐡𝐭𝐚𝐠: 🔍
#clavicle
#identification_of_the_side
#muscular_attachments
#articulations
#coracoclavicular_ligament