The Clavicle (Collarbone): Parts, Joints, and Common Injuries | Clinical Anatomy

🌐 Website: https://taimtalksmed.com/ 🫀 Help keep this content free:    / @taimtalksmed   🔬 Get 10% off anatomy lab models (affiliate link): https://anatomywarehouse.com?aff=34 📲 Other Links: Instagram:   / taimtalksmed   Discord:   / discord   Content: 00:00 Introduction & Content 01:20 Clavicle Anatomy 03:02 Joints of the Clavicle 03:19 Sternoclavicular Joint 04:06 Acromioclavicular Joint 05:29 Why do we have a Clavicle? 07:47 Clinical Relevance 08:42 Possible causes of pain in the Clavicle 09:53 Symptoms of Clavicle Injury 10:17 Clinical Tests of Clavicle Injuries 11:01 Treatment of Clavicle Injury Clavicle (Collarbone) Anatomy | Structure, Joints & Clinical Relevance Structures covered in this video: Clavicle Anatomy – Parts: • Sternal end (Extremitas sternalis) • Acromial end (Extremitas acromialis) • Body of the clavicle (Corpus claviculae) • Sternal facet (Facies articularis sternalis) • Acromial facet (Facies articularis acromialis) • Subclavian groove (Sulcus musculi subclavii) • Conoid tubercle (Tuberculum conoideum) • Trapezoid line (Linea trapezoidea) • Impression for costoclavicular ligament Joints Formed by the Clavicle: • Sternoclavicular joint (Articulatio sternoclavicularis)  • Clavicular notch of manubrium (Incisura clavicularis) • Acromioclavicular joint (Articulatio acromioclavicularis) Ligaments of the Clavicle: • Costoclavicular ligament (Ligamentum costoclaviculare) • Interclavicular ligament (Ligamentum interclaviculare) • Anterior sternoclavicular ligament • Acromioclavicular ligament • Coracoclavicular ligament  • Conoid ligament (Ligamentum conoideum)  • Trapezoid ligament (Ligamentum trapezoideum) • Coracoacromial ligament (Ligamentum coracoacromiale) Associated Muscles: • Subclavius • Pectoralis major • Sternocleidomastoid • Trapezius • Deltoid Neurovascular Structures Protected by the Clavicle: • Brachial plexus • Subclavian artery • Subclavian vein Functional Anatomy: • Clavicle as a strut • Force transmission from upper limb to axial skeleton • S-shape acting as a shock absorber • Scapular suspension and positioning Clinical Anatomy and Conditions Discussed: • Clavicle fracture (Middle third most common) • Clavicle dislocation • Acromioclavicular joint injury  • AC joint step-off  • Cross-body adduction test  • Piano key sign  • O'Brien’s test • Sternoclavicular joint dislocation or arthritis • Distal clavicular osteolysis (Weightlifter’s shoulder) • Cleidocranial dysplasia (Absence of clavicle) • Neurovascular injury signs (Pulse, cap refill, sensory loss) Imaging Techniques Mentioned: • AP clavicle X-ray • CT scan for subtle fractures or joint evaluation • MRI for osteolysis or soft tissue pathology • Chest X-ray to rule out associated rib fractures or pneumothorax Treatment Options: • Conservative management (sling, NSAIDs, physiotherapy) • Surgical fixation (for displaced or unstable fractures) • Grading of AC joint injuries (Type I–III) • Distal clavicle excision (arthroscopic or open) Sources: • Kozlowski, T. (2017). Memorix Anatomy, 2nd ed. • Standring S. (2020). Gray’s Anatomy, 42nd edition • Tubbs RS, Shoja MM, Loukas M. (2016). Bergman’s Encyclopedia of Human Anatomic Variation • White TD, Folkens PA. (2005). The Human Bone Manual Programs used: Complete Anatomy, Biorender, PowerPoint