Upper Limb
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Last updated 7:09 PM on 9/9/23
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63 Terms
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Shoulder/Pectoral Girdle
\- Two bones that encircle the upper part of the chest.
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CLAVICLE
– long bone that is curved like an italic letter f.
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medially
The clavicle is attached to the sternum ___, it connects the upper extremity to the trunk.
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laterally
Clavicle is Attached to the acromion(scapula) ____
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Conoid Tubercle
\- dull projection posterior-medial part
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Trapezoid /line/ ridge
= wide, rough ridge, from conoid tubercle to the lateral end of clavicle.
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Sternal end
\- medial two third, thickened triangular extremity.
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Anterior
\- convex/posterior- concave
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Subclavius Groove
\- shallow grove for subclavius muscles
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Scapula
Wide, flat, triangular bone
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2nd to the 7 th rib
Posterior-lateral part of the chest, is found at which ribs
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Glenoid cavity
\- concave, smooth articular oval surface directed forwards and lateral.
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Supraglenoid Tubercle
\- rough elevation on the upper margin of the glenoid cavity
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Infraglenoid tubercle
\- rough wide area below the head.
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Anterior (costal)
\- concave to form the subscapular fossa -subscapularis
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Posterior
– slightly convex, unequally divided into two fossae by the SPINE of the scapula.
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Supraspinous fossa
–smaller, above the spine
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Infraspinous fossa
\-larger, concave depression below the spine.
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Spine of the scapula/Spinous Process
triangular plate
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Acromion
broad, triangular ledge overhanging the glenoid cavity postero-superiorly.
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Coracoid process
thick projection, arising from the upper part of the neck and head of scapula.
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Humerus
Long bone of the arm. Articulates with the scapula.
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Rounded
The Proximal end is
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Head
\- less hemispherical, directed medially upwards and backwards.
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Anatomical Neck
\-shallow constriction that surrounds the head, articular capsule is attached.
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Surgical neck
constricted part of the shaft below the head and tuberosities.
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Greater Tubercle
larger eminence on the superior part of the humerus
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Lesser Tubercle
lesser more prominent eminence in the anterior part of the shaft.
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Bicipital groove
sep. greater and lesser tuberosity.
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Body/ shaft
– cylindrical proximally, compressed anteroposteriorly distally.
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Spiral groove
posteriorly, oblique shallow groove running from back of the body, downwards and forward to the front
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Deltoid tuberosity
– rough V- shaped elevation, in the antero-lateral part of the surface of the body.
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Capitulum
smooth rounded eminence on the lateral part.
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Trochlea
broad smooth, pulley-shaped on the medial side.
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Radial fossa
shallow depression, above the capitulum – radial head
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Coronoid fossa
shallow depression above the trochlea. – coronoid process of the ulna
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Olecranon fossa
\- larger depression posterior distal end, above the trochlea.
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Medial Epicondyle
\- more prominent projection medial above the trochlea.
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Lateral epicondyle
\-smaller projection above the lateral end of the capitulum
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ULNA
\- Medial and longer bone of the forearm.
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Proximal end of ulna
\- large irregularly shaped like C.
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Olecranon process
– large eminence situated behind the elbow.
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coronoid process
\- triangular eminence. In front of the shaft, below the olecranon
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Radial notch
shallow, smooth articular depression lateral surface of the coronoid process.
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Supinator fossa
shallow, triangular depression below the radial notch
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Trochlear notch
wide semilunar notch, concavity bounded by the olecranon above and coronoid process below
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Styloid process
downward projection from the postero-medial part of the distal end.
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Radius
Outer/lateral shorter bone of the forearm
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Head of Radius
\- cup-shaped disk with shallow articular depression,
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Neck of radius
–smooth, constricted portion immediately below the neck
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Tuberosity
broad eminence on the medial aspect of the radius just below the neck.
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Ulnar notch
concave, smooth articular surface medially located for the head of ulna.
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Styloid process
\- short, thick downward prolongation of the lateral part.
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Navicular( Scaphoid)
\- largest of the proximal row Comma shaped or Boat shaped
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Lunate
( half-moon-shaped)
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triquetrum/triquetral
(triangular- shaped),pyramid like
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Pisiform
\-(pea shaped) smallest of the carpal ones.
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Trapezium
\- saddle shaped.
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Trapezoid ( lesser multangular)
wedge-shaped, ( Boot- shaped)
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Capitate
largest of the carpal bone, dome shape/
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Hamate
Hook-like)
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Metacarpals
Five miniature bones, skeleton of the palm
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Phalanges
\- 14 miniature long bones. Skeleton of the fingers
Note 
Flashcards (39)