Bones Of The Upper Limb Flashcards
Arm
Region of the upper limb located between the shoulder and elbow joints; contains the humerus bone
Hand
Region of the upper limb distal to the wrist joint
Humerus
Single bone of the upper arm
Ulna
Bone locates on the medial side of the forearm
Carpal Bone
One of the eight small bones that form the wrist and base of the hand; these are grouped as a proximal row consisting of (from lateral to medial) the scaphoid, lunate, triquetrum, and pisiform bones, and a distal row containing (from lateral to medial) the trapezium, trapezoid, capitate, and hamate bones
Carpal Bone
Metacarpal Bone
One of the five long bones that form the palm of the hand; numbered 1-5, starting on the lateral (thumb) side of the hand
Phalanx Bone of the Hand
One of the 14 bones that form the thumb and fingers; these include the proximal and distal phalanges of the thumb, and the proximal, middle, and distal phalanx bones of the fingers two through five
Head of the Humerus
Smooth, rounded region on the medial side of the proximal humerus; articulates with the glenoid Fossa of the scapula to form the glenohumeral (shoulder) joint
Anatomical Neck
Like on the humerus locates around the outside margin of the numeral head
Greater Tubercle
Enlarged prominence locates on the lateral side of the proximal humerus
Lesser Tubercle
Small bony prominence locates on anterior side of the proximal humerus
Inter-tubercular Groove (Sulcus)
Bicipital groove; narrow groove locates between the greater and lesser tubercles of the humerus
Bicipital Groove
Inter-tubercular groove; narrow groove located between the greater and lesser tubercles of the humerus
Surgical Neck
Region of the humerus where the expanded, proximal end joints with the narrow shaft
Shaft of the Humerus
Narrow, elongated, central region of the humerus
Deltoid Tuberosity
Roughened, v-shaped region locates laterally on the mid-shaft of the humerus
Medial Epicondyle of the Humerus
Enlarged projection located on the medial side of the distal humerus
Lateral Epicondyle of the Humerus
Small projection locates on the lateral side of the distal humerus
Lateral Supracondylar Ridge
Narrow bony ridge locate along the lateral side of the distal humerus l, superior to the lateral Epicondyle
Elbow Joint
Joint locates between the upper arm and forearm regions of the upper limb; formed by the articulation between the trochlea of the humerus and the trochlear of the ulnar, and the capitulum of the humerus and the head of the radius
Trochlea
Pulley shaped region located medially at the distal end of the humerus; articulates at the elbow with the trochlear notch of the ulna
Capitulum
Knob like bony structure locates anteriorly on the lateral distal end of the humerus
Coronoid Fossa
Depression on the anterior surface of the humerus above the trochlea; this space receives the Coronoid process of the ulna when the elbow is maximally flexed
Radial Fossa
Small depression locates on the anterior humerus above the capitulum; this space receives the head of the radius when the elbow is maximally flexed
Olecranon Fossa
Large depression locates on the posterior side of the distal humerus; this space receives the Olecranon process of the ulna when the elbow is fully extended
Trochlear Notch
Small notch located a long the superior border of the scapula, medial to the Coracoid process
Coronoid Process of the Ulna
Projecting bony lip located on the anterior, proximal ulna; forms the inferior margin of the trochlear notch
Ulnar Tuberosity
Roughened area located on the anterior, proximal ulna inferior to the Coronoid process
Radial Notch of the Ulna
Small smooth area on the lateral side of the proximal ulna; articulates with the head of the radius as part of the the proximal Radioulnar joint
Proximal Radioulnar Joint
Articulation formed by the radial notch of the ulna and the head of the radius
Olecranon Process
Expanded posterior and superior portions of the proximal ulna; forms the bony tip of the elbow
Shaft of the Ulna
Narrow elongated central region of the ulna
Interosseous Border of the Ulna
Narrow ridge located on the lateral side of the ulnar shaft; for attachment of the Interosseous membrane between the ulna and radius
Interosseous Membrane of the Forearm
Sheet of dense connective tissue that unites the shafts of the tibia and fibula bone s
Head of the Ulna
Small rounded distal end of the ulna; articulates with the ulnar notch of the distal radius, forming the distal Radioulnar joint
Styloid Process of the Ulna
Short bony projection located on the lateral end of the distal radius
Head of the Radius
Disc shaped structure that forms the proximal end of the radius; articulates with the capitulum of the humerus as part of the elbow joint, and with the radial notch of the ulna as part of the proximal Radioulnar joint
Neck of the Radius
Narrow region immediately distal to the head of the radius
Radial Tuberosity
Oval shaped roughened protuberance located on the medial side of the proximal radius
Shaft of the Radius
Narrow elongated central region of the radius
Interosseous Border of the Radius
Narrow ridge located on the medial side of the radial shaft; for attachment of the Interosseous membrane between the ulna and radius bones
Radiocarpal Joint
Wrist joint located between the forearm and hand regions of the upper limb; articulation formed proximally by the distal end of the radius and the dobro cartilaginous pad that unites the distal radius and the ulna bone, and distally by the scaphoid, lunate, and triquetrum carpal bones
Ulnar Notch of the Radius
Shallow smooth area located on the medial side of the distal radius; articulates with the head of the ulna at the distal Radioulnar joint
Distal Radioulnar Joint
Articulation between the head of the ulna and the ulnar notch of the radius
Styloid Process of the Radius
Pointed projection located on the lateral end of the distal radius
Scaphoid
From the lateral side, the first four proximal carpal bones; articulates with the radius proximally, the trapezoid, trapezium, and capitate distally and the lunate medially
Lunate
From the lateral side, the second of the four proximal carpal bones; articulates with the radius proximally, the capitate and hamate distally, the scaphoid laterally, and the triquetrum medially
Triquetrum
From the lateral side, the third of the four proximal carpal bones; articulates with the lunate laterally, the humane distally, and has a facet for the pisiform
Pisiform
From the lateral side, the fourth of the four proximal carpal bones; articulates with the anterior surface of the triquetrum
Capitate
From the lateral side, the third of the four distal carpal bones; articulates with the scaphoid and lunate proximally, the trapezoid laterally, the hamate medially, and primarily with the third metacarpal distally
Hamate
From the lateral side, the fourth of the four distal carpal bones; articulates with the lunate and triquetrum proximally, the fourth and fifth metacarpals distally, and the capitate laterally
Trapezium
From the lateral side, the first of four distal carpal bones; articulates with the scaphoid proximally, the first and second metacarpals distally and the trapezoid medially
Trapezoid
From the lateral side, the second of the four proximal carpal bones; articulates with the lunate laterally, the hamate distally, and has a facet for the pisiform
Hook of the Hamate Bone
Bony extension located on the anterior side of the hamate carpal bone
Mid carpal Joint
Articulation between the proximal and distal rows of the carpal bones; contributes to movements of the hand at the wrist
Flexor Retinaculum
Strong band of connective tissue at the anterior wrist that spans the top of the u-shaped grouping of the carpal bones to form the roof of the carpal tunnel
Carpal Tunnel
Passageway between the anterior forearm and hand formed by the carpal bones and flexor retinaculum
Carpometacarpal Joint
Articulation between one of the carpal bones in the distal row and a metacarpal bone of the hand
Metacarpophalangeal Joint
Articulation between the distal end of a metacarpal bone of the hand and a proximal phalanx bone of the thumb or a finger
Pollex
Thumb
Interphalangeal Joint
Articulation between adjacent phalanx bones of the hand or foot digits