Unit One Bones Flashcards by Leah Zimmerman

Glenoid cavity articulates with

Humeral head

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Shape of scapula

Triangular and flat

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The triquetrum articulates with

The disc of the radioulnar joint

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Manual laborers have what type of clavicles

More robust and curvaceous

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What forms the trochlear notch on the ulna

Coronoid process and olecranon process

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The rounded head of the radius articulates with what

Capitulum of humerus and radial notch of humerus

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In a colle fracture, the fragments are driven

Posteriorly

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Deltoid tubercle on scapula is where what attaches

Medial portion of trapezius muscle

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What is found on the shaft of the humerus

Deltoid tuberosity and radial groove

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Fracture of radial groove of humerus is associated with what nerve

Radial nerve

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What epicondyle is used for flexor attachment

Medial epicondyle

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What is smith fracture

Fracture of distal radius with ventral displacement of the fragment

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The lateral angle of the scapula supports what

Scapular head which supports the glenoid fossa

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The lateral spine of the scapula forms the

Acromion

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Free upper limb bones are

Humerus, radius, ulna, carpals, metacarpals and phalanges

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What do you find in the junction of the neck and shaft of the humerus

Greater and lesser tubercles

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What on the humerus allows for the full extension

Olecranon fossa

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What is the largest bone of the UE

Humerus

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What bones articulate with the distal portion of the radius

Lunate and scaphoid

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What are the angles of the scapula

Superior, lateral and inferior

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Proximal fractures of the humerus occur where

Surgical neck

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The sternoclavicular joint involves

Sternum, clavicle and first rib

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Humerus articulates at

Glenohumeral joint (scapula) and elbow joint (radius and ulna)

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What is found on Radial groove of humerus

Radial nerve and artery

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Distal end of humerus fracture has what associated nerve

Median nerve

What is the deformity called of the colle fracture

Dinner fork

Scaphoid fracture most commonly associated from

A fall on an open palm and occurs across the waist of the bone

The posterior surface of the scapula is divided into

Infraspinous fossa and supraspinous fossa by spine

What muscle attached to the intertubercular groove of the humerus

Tendon of the long head of biceps

most common site for fracture of radius

Middle third ?????

What inserts on the radial tuberosity

Biceps brachii tendon

What bone connects the UE appendicular skeleton to axial skeleton

Clavicle

What is usually associated with colle fracture

Ulnar styloid avulsion fracture

What epicondyle on the humerus has extensor attachment

Lateral epicondyle

Function of the clavicle

To suspend the upper limb laterally from the body to allow freedom of motion

What forms the palm and dorsum of the hand

Metacarpals

What is the stabilizing bone of the forearm

Ulna

Medial epicondyle fracture of humerus has what associated nerve

Ulnar nerve

What causes chauffeurs fracture

Compression of the scaphoid bone of the hand against the styloid process of the distal radius

Distal extensions of the humeral tubercles forms what

Crests/ lips

What is the only joint holding the UE to the axial skeleton

Sternoclavicular joint

What is a chauffeurs fracture

Isolated fracture of the radial styloid process

The anatomical neck is separated from the head of humerus by what

Sucapital groove

The pectoral girdle contains what bones

Clavicle and scapula

Bones in the upper extremity are divided into what two groups

Pectoral girdle and free upper limb

How many metacarpals in one hand

If force hits hand first how does it travel

Hand, wrist, radius, interosseous membrane, ulna, elbow then humerus

Where is deltoid tubercle on scapula

Located on the spine

Where is the weakest part on the clavicle

Middle

Function of interosseous membrane between radius and ulna

Acts to transmit force from the hand to the humerus

The interosseous membrane between radius and ulna are what type of joint

Syndesmosis joint

What fossa is the on the anterior surface of the scapula

Subscapular fossa

Acromial (lateral) end of clavicle articulates with the acromion of the scapula where

Acromioclavicular joint

What is the most common fracture site of the humerus

Surgical neck

How does colle fracture occur

Forced dorsi flexion of hand

The ulnar tuberosity is the attachment for

Brachialis muscle

Where do you find sesamoid bones

In the hand

Which is larger radial styloid process or ulnar

Radial

Clavicles are thicker where due to what

Thicker on the side of their most dominant hand

The proximal end of the ulna articulates with what

Trochlea and head of radius

The sternal (medial) end of clavicle articulates with manubrium where

Sternoclavicular joint

The greater scapular notch is formed by

Lateral extension of the acromion

Chauffeur’ s fracture AKA

Hutchinson’s fracture

How many phalanges in one hand

Sesamoid bones are formed in

Tendons

The trochlea of the humerus articulates with what bone

Ulna

What is colle’s fracture

Transverse fracture of distal radius

What ligament holds the long head of the bicep to the intertubercular groove of long head of biceps

Transverse humoral ligament

What is the most commonly fractured bone

Clavicle

The capitulum of the humerus articulates with what bone

Radius

Where is the most common site in the hand to find a sesamoid bone

Flexor pollicis longus tendon

Hamate fracture may be associated with injury to

The distal ulnar nerve and artery

Where do the ligaments attach from clavicle to

First rib and distal conoid tubercle to the coracoid process of the scapula

The fragments in a smith’s fracture is driven

Anteriorly

Transverse fractures of the shaft of the humerus can have what happen due to unopposed muscle action

Proximal and distal displacement

What ligament is present at the sternoclavicular joint

Inter clavicular ligament

How many carpals in one wrist

The upper extremity skeleton contains

Clavicle, scapula, humerus, ulna, radius, carpals, metacarpals, phalanges

What on the humerus allows for full flexion

Radial fossa an coronoid fossa

What on the ulna serves as a short, stout, lever arm for extension

Olecranon

What on the humerus allows for maximum ROM

Spherical head

Surgical neck fracture of humerus has what associated nerve

Axillary nerve

Function of pectoral girdle

Upper limb attach to axial skeleton

How do the interosseous membrane fibers run between radius and ulna

Inferomedially from radius to ulna

The elbow is what type of joint

Hinge joint

What artery can be affected by scaphoid fracture

Radial artery

Describe X-ray of scaphoid fracture

May not see it on X-ray at first, wait two weeks to look at new x rays

What are the borders of the scapula

Medial, lateral and superior

Chauffeurs fracture can result from

Forced ulnar deviation and supination of the wrist