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Upper Extremity Bones

Bones to know

  • clavicle

    • attached to sternum at sternoclavicular joint

    • attaches to scapula at acromioclavicular joint

    • disk shaped at sternal end and flared at acromial end

  • scapula

    • acromion is the big notch on the lateral end

    • coracoid process is the notch under the acromion in anterior aspect

    • glenoid cavity is lateral, where humerus attaches

    • subscapular fossa is the cavity in the middle of the scapula anterior view

    • supraspinous fossa is above the spine of the scapula

    • spine of scapular is on posterior aspect and runs laterally to the acromion

    • infraspinous fossa is the middle of the scapula posterior view

  • humerus

    • head is the medial leaning ball at the top

    • greater tubercle is the notch on the lateral of the head

    • lesser tubercle is the notch on the lower and medial

    • deltoid cavity is the awkward bump on the lateral part of the shaft

    • lateral epicondyle is the bump lateral to the trochlea

    • capitulum is the lateral notch next to the trochlea

    • medial epicondyle is the bump on the medal superior to trochlea

    • olecranon fossa is the cavity superior to the trochlea on the posterior aspect

  • radius

    • forearm bone that is lateral and shorter

    • head is disk shaped at the proximal end

    • styloid process is the notch at distal end

  • ulna

    • forearm bone that is medial and longer

    • trochlear notch is at the proximal end and flares

    • olecranon is at the very top of the ulna

    • radial notch of the ulna is superior and lateral

    • head of the ulna is the bottom part knob looking part

    • styloid process is the little bump on the end that frames the wrist

  • phalanges

    • 14 total per hand

      • thumb has 2 and each other digit has 3 each

    • named distal, middle, proximal with digit number and which hand (R/L)

    • digits are numbered lateral to medial (thumb is 1 pinky is 5)

  • metacarpals

    • numbered with their digit

  • carpal bones

    • proximal row: (lateral to medial) scaphoid, lunate, triquetrum, pisiform

    • distal row: (lateral to medial) trapezium, trapezoid, capitate, hamate

    • the pisiform can’t be seen in the posterior view

  • sesamoid bone

    • a bone that has grown within a tendon

      • ex. patella

Upper Extremity Bones

Bones to know

  • clavicle

    • attached to sternum at sternoclavicular joint

    • attaches to scapula at acromioclavicular joint

    • disk shaped at sternal end and flared at acromial end

  • scapula

    • acromion is the big notch on the lateral end

    • coracoid process is the notch under the acromion in anterior aspect

    • glenoid cavity is lateral, where humerus attaches

    • subscapular fossa is the cavity in the middle of the scapula anterior view

    • supraspinous fossa is above the spine of the scapula

    • spine of scapular is on posterior aspect and runs laterally to the acromion

    • infraspinous fossa is the middle of the scapula posterior view

  • humerus

    • head is the medial leaning ball at the top

    • greater tubercle is the notch on the lateral of the head

    • lesser tubercle is the notch on the lower and medial

    • deltoid cavity is the awkward bump on the lateral part of the shaft

    • lateral epicondyle is the bump lateral to the trochlea

    • capitulum is the lateral notch next to the trochlea

    • medial epicondyle is the bump on the medal superior to trochlea

    • olecranon fossa is the cavity superior to the trochlea on the posterior aspect

  • radius

    • forearm bone that is lateral and shorter

    • head is disk shaped at the proximal end

    • styloid process is the notch at distal end

  • ulna

    • forearm bone that is medial and longer

    • trochlear notch is at the proximal end and flares

    • olecranon is at the very top of the ulna

    • radial notch of the ulna is superior and lateral

    • head of the ulna is the bottom part knob looking part

    • styloid process is the little bump on the end that frames the wrist

  • phalanges

    • 14 total per hand

      • thumb has 2 and each other digit has 3 each

    • named distal, middle, proximal with digit number and which hand (R/L)

    • digits are numbered lateral to medial (thumb is 1 pinky is 5)

  • metacarpals

    • numbered with their digit

  • carpal bones

    • proximal row: (lateral to medial) scaphoid, lunate, triquetrum, pisiform

    • distal row: (lateral to medial) trapezium, trapezoid, capitate, hamate

    • the pisiform can’t be seen in the posterior view

  • sesamoid bone

    • a bone that has grown within a tendon

      • ex. patella

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