Upper Extremity Bones PDF
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Uploaded by AmusingBowenite9436
İstanbul Kent Üniversitesi
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Summary
This document presents a detailed explanation of the bones comprising the upper extremity, including the clavicle, scapula, humerus, radius, ulna, and the bones of the hand. It provides anatomical descriptions of each structure, along with their articulations and key features.
Full Transcript
clavicle s shaped bone, approximately 15-17 cm articulates with sternum and scapula joints the upper extremity to trunk boundary between neck and trunk 1 body, 2 face (superior and inferior), 2 margin (anterior and posterior) conoid tubercule, conoid ligament inserts here trapezoid l...
clavicle s shaped bone, approximately 15-17 cm articulates with sternum and scapula joints the upper extremity to trunk boundary between neck and trunk 1 body, 2 face (superior and inferior), 2 margin (anterior and posterior) conoid tubercule, conoid ligament inserts here trapezoid line, trapezoid ligament inserts here in inferior face, groove for subclavius muscle, subclavius muscle lies here scapula between 2nd -7th costae, has triangle shape and flat articulates with humerus and clavicula costal face, posterior face subscapular fossa, supraspinous fossa, infraspinous fossa spine, acromion medial margin, lateral margin scapular notch, coracoid process, glenoid fossa superior angle, lateral, inferior neck of scapula Scapula Humerus head of humerus anatomic neck, surgical neck body of humerus lesser and greater tubercule of humerus intertubercular groove radial nerve sulcus of humerus nutrient foramen deltoid tubercule medialis and lateral epicondyle articulates with radius and ulna upper pole, head of humerus trochlea of humerus; ulna capitulum of humerus; radius groove for ulnar nerve fradial fossa coronoid fossa oleranon fossa Radius and Ulna in live individuals between two bones, there is a membrane named as interosseus membrane of forearm Radius: at upper site articulates with humerus, at medial site articulates with ulna and at lower site articulates with ulna and carpal bones of hand proximal pole; head of radius radial tuberosity; biceps brachii muscle inserts here neck of radius, body of radius distal pole; styloid process of radius Ulna at upper site articulates with humerus and radius , at distal site articulates with only raidus proximal pole is thick , distal pole is slim olecranon, coronoid process, trochlear notch ulnar tuberosity; brachialis muscle inserts here styloid process of ulna, head of ulna radial notch body of ulna bones of hand carpal bones proximal row (from lateral to medial); scaphoid bone,lunate bone, triquetral bone ,pisiform bone distal row (from lateral to medial); trapezium bone ,trapezoid bone , capitate bone, hamate bone metacarpal bones proximal part is base, distal part is head, past between base and head is body bones of hand; totally 14, thumb has 2, others have 3 phalanx 1 phalanx; head, body and base Sternum approximately 17 cm. is a flat bone. consist of three parts manibrium of sternum; broadest part at upper site, articulates with clavicle jugular notch. body of sternum; joint between manibrium and body is sternal angle xiphoid process little process at the lower site