Each year, more than 74,000 small children,
adolescents and adults are injured by rotary,
hand and riding power mowers due to improper
handling. The American Society for Surgery of
the Hand would like to provide you with patient
information to help you avoid these injuries.
Kinetics of Rotary Power Lawnmowers
Kinetic energy (motion) imparted by a
standard rotary blade is comparable to the
energy generated by dropping a 21-pound weight
from a height of 100 feet or is equal to three
times the muzzle energy of a .357 Magnum pistol.
Blade speed can eject a piece of wire or an
object at speeds up to 100 miles per hour.
Injury Profile
Adults 25-64 years
Children under age five
22% involve wrist, hand or finger
14% involve foot, ankle or toes
25% of all hand and foot injuries result in
amputation
Deaths occurred in children under six years of
age
Common Injury Patterns
- Direct contact with rotating or jammed
blade
- Serious avulsion (tearing/separating)
injuries to soft tissue and bones
- Gross contamination from contact with
grass and soil harboring pathogens
- Injuries requiring multiple staged
surgeries to cleanse wounds and provide soft
tissue coverage (to regenerate healthy
tissue/skin)
Common Weather Conditions
Other Causes of Injury
- Passengers (adult/child) on riding
mowers or in cart towed behind mower
- Mower being pulled backward
- Sloping lawn mowed by power mower up and
down slope, instead of across
- Sloping lawn mowed by riding mower
across slope, instead of up and down
- Wearing sandals or open-toed shoes
- Operator attempts to unclog blades with
hand or foot
Lawnmowers are safe if used
properly.
Remember the following:
- Read your mower's instruction manual
prior to use.
- DO NOT REMOVE safety devices or guards
on switches.
- NEVER insert hands or feet into the
mower to remove grass or debris. Even with
the motor turned off, the blade remains
engaged.
- ALWAYS use a stick or broom handle to
remove any obstruction.
- NEVER cut grass when it is wet or when
the ground is damp.
- NEVER allow a child to operate the mower
at any time or be in the area to be mowed.
- NEVER allow passengers, other than the
operator, on riding mowers.
- Keep your mower in good working order
with sharp blades.
- DO NOT DRINK before or while using your
lawnmower.
- Wear protective boots, goggles, gloves
and long pants.
- Do not operate the lawnmower while
barefoot.
- Be cautious when mowing hills or slopes.
REMEMBER — SAFETY FIRST AT ALL TIMES!
Copyright © American Society for Surgery of
the Hand 2009.
Modified , Adapted taken from
ASSH by
www.handctr.com