Slideshow: Clavicle
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Slideshow: Clavicle The Funky Professor videos can be viewed here; http://publishing.rcseng.ac.uk/journal/video?doi=10.1308%2Fvideo.2016.1.10&videoTaxonomy=FUNK
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Slideshow: Clavicle
- 1. The Clavicle
- 2. The Clavicle is a long bone It is horizontally placed
- 3. The Clavicle is a long bone It is horizontally placed
- 4. The medial end of the Clavicle articulates with the manubrium at the Sternoclavicular Joint
- 5. The lateral end of the Clavicle articulates with the acromion of the scapula at the Acromioclavicular Joint
- 6. The Clavicle is divided into thirds along its length Undersurface of Right Clavicle
- 7. Lateral Third The lateral third is flattened and expanded Undersurface of Right Clavicle
- 8. Medial Third The medial third is rounded Undersurface of Right Clavicle
- 9. The Clavicle is curved convex forwards at its medial end Lateral Medial Posterior Anterior
- 10. The Clavicle is concave forwards at its lateral end Lateral Medial Posterior Anterior
- 11. There are a number of impressions on the undersurface Lateral Medial Posterior Anterior
- 12. This area gives attachment to the Trapezoid ligament Lateral Medial Posterior Anterior This is one of the two coracoclavicular ligaments that stabilise the acromioclavicular joint
- 13. This area gives attachment to the Conoid ligament Lateral Medial Posterior Anterior This is one of the two coracoclavicular ligaments that stabilise the acromioclavicular joint
- 14. This area gives attachment to the costoclavicular ligament that arises from the first costal cartilage and first rib Lateral Medial Posterior Anterior It stabilises the sternoclavicular joint
- 23. Manubrium Clavicle Manubrium Section through Sternoclavicular Joint Articular Disc
- 24. Muscles that attach to the Clavicle
- 25. Muscles that attach to the Clavicle Lateral Medial Posterior Anterior Deltoid
- 26. Muscles that attach to the Clavicle Lateral Medial Posterior Anterior Pectoralis Major
- 27. Muscles that attach to the Clavicle Lateral Medial Posterior Anterior Subclavius
- 28. Muscles that attach to the Clavicle Lateral Medial Posterior Anterior Trapezius
- 29. Muscles that attach to the Clavicle Lateral Medial Posterior Anterior Sternohyoid
- 30. Summary of Muscles that attach to Clavicle Deltoid Pectoralis Major Subclavius Sternohyoid Sternocleidomastoid Trapezius
- 31. Lateral Chest Wall Deltoid Origin Lateral third of clavicle, acromion, and spine of scapula Insertion Deltoid tuberosity on lateral shaft of humerus Action Anterior part: flexes and internally rotates arm; Middle part: abducts arm; Posterior part: extends and externally rotates arm Nerve Supply Axillary nerve (C5 and C6) Blood Supply Deltoid branch of thoracoacromial artery
- 32. Anterior Chest Wall Pectoralis Major Origin Clavicular head: anterior surface of medial half of clavicle; Sternocostal head: anterior surface manubrium & sternum, superior 6 costal cartilages, and aponeurosis of external oblique muscle Insertion Lateral lip of bicipital groove of humerus Action Clavicular head: flexes & adducts arm Sternal head: adducts & internally rotates arm Nerve Supply Lateral and medial pectoral nerves (C5, C6, C7, C8, and T1) Blood Supply pectoral branch of thoracoacromial trunk
- 33. Subclavius Origin Costochondral junction 1st rib Insertion Subclavian groove inferior surface middle clavicle Action Depresses clavicle Nerve Supply Nerve to subclavius C5, 6 Blood Supply Clavicular branch of thoraco-acromial artery and suprascapular artery Anterior Chest Wall
- 34. Posterior Chest Wall Trapezius Origin Medial third of superior nuchal line; external occipital protuberance, nuchal ligament, and spinous processes of thoracic vertebrae Insertion Lateral third of clavicle, acromion, and spine of scapula Action superior fibers elevate, middle fibers retract, and inferior fibers depress scapula Nerve Supply Spinal root of accessory nerve (CN XI) (motor) and cervical nerves (C3 and C4) (pain and proprioception) Blood Supply Transverse cervical artery