How To Prevent An Acl Injury

s, both professional and amateur, are prone toclose together and the knee should not go out to
numerous injuries during their careers. The bodythe side. Remain in an upright position and hold for 30
takes a beating while engaging in sports. Many of theseconds before switching sides. This should be done
injuries athletes sustain can be prevented, allowingtwo times for each leg.
the individual to avoid uncomfortable procedures and• Hamstring stretch — sitting on the ground,
medical devices as well as keeping them ‘in thestretch the right leg out in a straight line with the left
game’. One of the most preventable injuries inleg bent and the left foot against the inside of the
sports today is an injury revolving around the ACL.right thigh. Keeping the back straight, lean forward to
What is the ACL?touch the chest to the knee. If able, reach towards
The ACL — anterior cruciate ligament —the toes and bring them back towards the head. Hold
is a major ligament that is found in the knee. It isfor 30 seconds and then switch sides. This should be
responsible for keeping the knee from moving toodone two times for each leg.
much, limiting the joint’s range of motion and• Inner thigh stretch — while sitting, spread
stabilizing leg movement. The ACL is attached to thethe legs apart and lower the upper body down while
front and top of the tibia and stretches diagonally upkeeping the back straight. The muscles in the inner
to attach to the back and bottom of the femur.thigh will stretch. Sit up and reach over the right leg
People who complain of their knee ‘givingwith the right arm while extending the left arm
out’ or ‘popping’ usually have someoverhead to the right. Hold for 20 seconds and then
form of ACL injury.switch sides. This should be done three times for
How does an ACL injury occur?each leg.
ACL injuries can occur during sports related activitiesStrengthening
as well as during regular day to day activities. Most ofIn order to build up stability in the knees and legs,
them are due to sports but the ACL can tear duringstrengthening exercises should follow the warm up
a motor vehicle accident, a fall, a work relatedand stretching exercises. It is important that the
accident, rough play or during other activities thattechnique is followed closely and that the
causes the knee to move in a direction it is notperformance of the exercises is adhered to in order
supposed to naturally go in. The majority of ACLto get the proper results.
injuries fall under the heading of• Walking lunges — starting with the right
‘non-contact’ injuries. This means that theleg, lunge forward keeping the front knee over the
injury happens without another person being involved.ankle. Push off with the right leg and lunge forward
For example, an athlete can turn on their foot thewith the left, dropping the right knee down. The
wrong way during a pivot or land improperly from amotion needs to be controlled with keep the knees
jump and tear the ACL. A good sign that the ACL isfrom caving inwards. The toes should be visible on
injured is the knee giving out from under the personthe leading leg. If they are not, the exercise is not
when the ligament is torn.being performed properly and the stance needs to
A torn ACL that is due to non-contact usually occursbe adjusted. This exercise should be done in three
when there is a rapid deceleration of the body andsets of 10 reps.
the knee joint. If the body is not properly placed• Russian hamstring — with a partner, kneel
during a sport or physical activity, the ACL can beon the ground with hands at the side while the
stressed and overloaded. When this happens, thepartner holding the ankles. Lean forward from the
ACL will tear. The knee is not stable and thehips with knees, hips and shoulders in a straight line
pressure from the hips and ankles place it in a stateand the back straight. Do not bend at the waist. The
of weakness. The muscles in the shins and thighshamstrings in the thigh will be working. This exercise
attempt to control the deceleration of the body andshould be done in three sets of 10 reps.
this causes the aforementioned stress and overload• Single toe raise — standing with arms at
to the ACL.sides, bend the left knee upwards and balance on
How can you tell if you have an ACL tear?one foot. Stretch the arms to the sides to help
A person can have ACL problems without a tearmaintain balance and rise up on the toes of the right
being present but if the ligament is not checkedfoot slowly. Hold and then lower. Repeat this exercise
prolonged injury could ultimately cause a tear. A good30 times and then switch sides.
sign that a person has an ACL injury is the poppingPlyometrics
of the knee or the knee simply giving out andPlyometric exercises are designed to help build up the
causing the person to fall. ACL tears usually comepower, speed and strength of the body. The key to
with swelling and pain, but a minor injury may not beperforming these exercises properly is to remember
painful. Going to the doctor and having the kneeto land softly when jumping. Always land with the
tested for instability and other stressors are used toweight on the ball of the feet and then distributing it
diagnose the problem. Additionally, an MRI of theback to the heel with the knees bent and the hips
knee may be ordered to verify the injury andstraight. It is important that the technique is followed
possibly any other injuries that could be associatedclosely and that the performance of the exercises is
with an ACL tear.adhered to in order to get the proper results.
What is done heal an ACL injury?• Lateral hop over a cone — using a 6 inch
Depending on the severity of the ACL injury willhigh cone to the left of the body, hop sideways
determine what type of treatment may be used byover the cone landing on the balls of the feet with
the physician who diagnoses the tear in the ligament.the knees bent. Straighten the knee slowly. Hop back
People who suffer ACL tears that do not participateto the right to complete a rep. Do this exercise for
in sports or who are suffering from a partial ACL20 reps.
tear may be required to wear a special knee brace• Forward and backward hop over a cone
for a few weeks to allow the ligament to heal on its— using the same 6 inch high cone, hope over
own. If the tear is severe and the person is anthe cone forwards landing on the balls of the feel
athlete who relies on the range of motion providedwith the knees bent. Straighten the knee slowly. Hop
by the knee, reconstructive ACL surgery may bebackwards over the cone to complete a rep. Do this
recommended.exercise for 20 reps.
It should be noted that many athletes who suffer• Single leg hop over a cone — using the
from an ACL injury such as a tear may never regainsame technique found in the forward and backward
total mobility in the ligament like they had prior to thehop over a cone, start with the right leg and
injury. Therefore, it is better to work towardscomplete a forward and backward hop for one rep.
preventing ACL injuries than dealing with them afterDo this exercise for 20 reps, switch legs and repeat.
they occur.• Single leg vertical jump with headers —
How do you prevent an ACL injury?stand straight with arms at side and knees slightly
It takes more than just strengthening the legs tobent. Push off with the right foot and jump straight
prevent an ACL injury. Everything from weak hips toup, landing on the ball of the foot with the knee
the internal rotation of the knee itself can add to anslightly bent. Do this exercise for 20 reps, switch legs
ACL injury. In order to prevent this injury, core bodyand repeat.
muscles, external hip rotators, the gluteus medius• Scissors jump — using the same knee
muscle, lower abs and obliques all must be stretchedover ankle technique in the walking lunge, lunge
and strengthened in order to help prevent an ACLforward with the right leg. Push off with the right
injury. Quadriceps and hamstrings should also befoot and bring the left leg forward into a lunge
strengthened in an even ratio to help in ACL tearposition, maintain the knee and not allowing it to cave
prevention, especially in women who are not asin or out. Land on the balls of the feet. Do this
muscular as men. Finally, good calf and ankle musclesexercise for 20 reps.
are also required as they help control kneeAgilities
deceleration and provide the body with stability.Agilities will help build up the range of motion in the
Athletes should engage in coordination drills andankle, knee and hip combination, allowing the
training in order to learn how to properly move duringparticipant to move more smoothly during exercise
sports activities. Cutting — the quick side toand physical activity. This will help stabilize the ACL
side movements seen in many sports — asand keep it flexible.
well as landing must be done so that the center of• Shuttle run forward and backward —
gravity in the body is lowered and the knee flexesusing as many cones as desired, sprint from the
more. The torso should remain upright at all times ifstarting line to the first cone and stop. Sprint to the
possible and where it is feasible, additional movementnext cone and stop. Continue this to the end and
after the cut or land is encouraged as it helps withthen reverse running backwards.
the deceleration process in the knee.• Diagonal run — set the cones in a zigzag
Finally, the proper footwear for the activity isformation. Start at the line and run to the first cone
required. Shoes are important in that they provideto the left, pivot on the left foot, and run to the
stability for the body. They should have a good dripnext cone on the right. Pivot off the right foot and
on the playing surface and prevent the person fromrun to the third cone. Continue to the end keeping
slipping.the knee slightly bent and over the ankle. Repeat 3
Exercises to help prevent ACL injuriestimes.
About one month prior to any sports season starting,• Bounding run — run from one line to the
athletes should add stability strengthening exercisesother bringing the knees up high towards the chest.
to their routine. Cross training with a stair climber orLand on the balls of the feet with the knees slightly
elliptical should be included in the cardiovascular routinebent and the hips straight.
to help the muscles warm up and stretch. Here areCool Down
some strengthening exercises that can be included inThe cooling down phase of any exercise routine or
the workout to help prevent painful ACL injuries.physical activity is important and should never be
These exercises should be continued through andskipped. There should always be water at hand
after the sports season.through this phase and it should take about 10
Warm upminutes. Jog slowly until the heart rate comes down
Because it is dangerous to stretch a cold muscle,and then stretch the hamstrings, calves, inner thighs,
warm ups should be done in order to prepare thequadriceps and lower back with the exercises listed
body for the exercise and physical activity to follow.above and the following exercises.
Warm ups should include:• Alternate hip flex bridging — while lying on
• Line to line jog — slowly jog from one linethe ground, bend the knees and place the feet flat.
or cone to another while keeping the hips, knees andRaise the buttocks off of the ground and squeeze,
ankles in a straight line. Knees should not cave in andholding this as the right foot is lifted off the ground.
the feet should not whip out to the sides whileDo not allow the hip to dip towards the ground.
jogging.Lower the right foot and repeat the motion with the
• Side to side shuttle run — moving fromleft foot. Repeat 30 times for each side.
side to side, the hips, knees and ankles remain in a• Abdominal crunches — while lying on the
straight line. The exercise should start in an athleticground, bend the knees and place the feet flat. Lace
stance with the knees slightly bent. The participantthe fingers behind the head with the elbows out.
pushes off with the back leg and sidesteps in oneBreathe in and contract the abdominal muscles while
direction to a predetermined point and then reverses.exhaling. Do this 30 times. Drop the legs to the right
• Backward run — this warm up helps toto the ground and repeat the crunching of the
prevent knee locking. The participant runs backwardsmuscles to work the obliques. Repeat 30 times and
from one line to another, landing on the toes lightly.then switch sides.
The knees should remain bent at all times.• Knee to chest — while lying on the
Stretchesground, bend the knees and place the feet flat. Bring
Anyone who exercises should always stretch afterthe right knee into the chest while extending the left
warm up to limber up the muscles and ligaments inleg to the ground. Hug the right knee for 30 seconds,
the body. Stretches allow the range of motion to befeeling the muscles of the lower back and buttocks
maintained and helps reduce joint stiffness, sorenessstretching. Switch sides and then bring both knees to
after activity and injury. Never bounce or jerk thethe chest. Repeat all three motions as a rep and do
muscles during stretches. Instead, the stretch shouldtwo times. If there is any pain in the lower back,
be done to the point of tension in the muscle anddiscontinue the stretch.
held for 30 seconds. Breathing should be normal and• Figure four piriformis stretch — while lying
the stretch should be muscle lengthening.on the ground, bend the knees and place the feet
• Calf stretch — starting from a standingflat. Place the left ankle over the right knee. Holding
position, bend forward from the waist and lay thethis position, take hold of the right thigh and pull the
palms on the ground. The right knee should be bentright knee into the chest. Hold for 30 seconds and
slightly while the left leg remains straight with theswitch sides. This will stretch the gluteals and the
heel of the foot on the ground. Hold for 30 secondssides of the thighs. Repeat the two motions as a rep
and then switch sides. This should be done two timesand do two times. If there is any pain in the lower
for each leg.back, discontinue the stretch.
• Quadricep stretch — this exercise is done• Seated butterfly stretch — while sitting,
with a partner. Lay the left hand on thebring the feet into the body so that the soles are
partner’s left shoulder and then grab the fronttouching. Place the elbows on the knees and slowly
of the right ankle with the right hand from behind.push the knees down to the ground. This stretches
Bring the heel of the foot to the buttock with thethe inner thigh. Hold for 30 seconds and repeat two
knee pointing to the ground. The legs should remainto three times.