Fall on to Outstretched Hand or FOOSH Injuries

FOOSH is an acronym for fall onto an outstretched hand.

Fall is a common cause of orthopedic injuries. Whenever one falls, it is a protective reflex to outstretch the hand. This fall on an outstretched hand can lead different patterns of injuries

A number of injuries of the upper limb occur because of fall onto the outstretched hand.

Hence commonly these are called FOOSH injuries.

Common Injuries Caused by FOOSH

Here are the injuries that may occur due to FOOSH

Fracture of the clavicle
Fracture proximal humerus
Supracondylar fracture of the humerus
Fracture of the head and neck of the radius
Monteggia fracture-dislocation
Galeazzi fracture-dislocation
Colles’ fracture
Radial styloid fracture
Fracture of the scaphoid
Fracture of the triquetral
Bennetts fracture/Reverse Bennet Fracture
Ulnar collateral ligament injury

Clavicle Fractures

Deformity After Fracture Clavicle — Deformity Following Fracture of Clavicle Bone

Undisplaced Fracture of Clavicle In Adult

Clavicle fractures are the most common upper limb fractures They account for about 35% injuries to the shoulder girdle and 2.6% – 4% of all adult fractures

Clavicular fractures are also caused by motor vehicle accidents and when a person falls directly on the shoulder with the arm at the side.

A direct blow or from a fall on an outstretched hand are less common causes.

Proximal Humerus Fracture

$fracture proximal humerus$

Fractures of the proximal humerus usually result from a fall on an outstretched hand.

A similar injury in young people may result in the shoulder dislocation.

Supracondylar Fracture

Fracture Supracondylar Region of Humerus - Lateral View — Fracture Supracondylar Region of Humerus – Lateral View

Supracondylar fracture is an injury of the elbow that most commonly occurs in children when they fall on the hand with outstretched hand with the elbow bent.

Depending on the severity of the injury, the fracture may be undisplaced or displaced. The distal fragment of bone is moved backwards and is tilted, although very rarely it is displaced anteriorly. Displaced fractures could injure nerves and vessels in the vicinity.

Radial Head Fracture

This type of fracture may result from a fall on the outstretched hand that forces the elbow into valgus. This will force the head of the radius against the capitulum.

Undisplaced Fracture of Radial neck - Lateral View — Undisplaced Fracture of Radial neck – Lateral View

In adults, there is more likelihood of injuring the radial head. But in children, the radial neck is generally fractured.

There is also likely to be bruising or chipping of the articular cartilage of the capitulum.

This injury will cause painful rotation of the forearm and tenderness on the lateral side of the elbow. There is almost always a loss of full elbow extension.

Galeazzi Fracture and Monteggia Fracture

The Galeazzi fracture-dislocation is:

a fracture of the lower radius, with
dislocation or subluxation of the distal radio-ulnar joint

It is often caused by on an outstretched hand, probably with an element of rotation. The condition may be regarded as a mirror image of a Monteggia fracture which is a fracture of ulna and dislocation of the radial head.

Monteggia Fracture Dislocation — Fracture Ulna With Lateral Dislocation of Radial Head

Distal Radius Fracture

Colles fracture is the most widely known distal radius fracture but there are other variants and all can be caused by FOOSH.

Colles fracture is an extra-articular fracture of the distal radius with dorsal displacement.

Smith fracture is another fracture of distal radius that can be caused by FOOSH.

Fall on to outstretched hand can also cause the radial styloid fracture.

Fracture of Radial Styloid — Fracture of Styloid Process Of Radius

In children, the fall on the hand may lead to fractures of the distal fourth of ulna and radius.

Carpal Bone Injuries

Fracture of the scaphoid followed by fracture of the triquetral are most common injuries caused by fall on outstretched hand.

Also, the fall on the outstretched hand can lead to a ligamentous injury leading to wrist instability.

Features of FOOSH Injuries

Fall onto an outstretched hand occurs following sporting injuries, or simply after a fall.

Typically, these injuries have bimodal age and sex presentation.

Young patients – high energy trauma
Older patients – lower energy, e.g. simple fall

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About Dr Arun Pal Singh

Arun Pal Singh is an orthopedic and trauma surgeon, founder and chief editor of this website. He works in Kanwar Bone and Spine Clinic, Dasuya, Hoshiarpur, Punjab.

This website is an effort to educate and support people and medical personnel on orthopedic issues and musculoskeletal health.

You can follow him on Facebook, Linkedin and Twitter

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