Intermediate rehabilitation exercise for ACL injuries to help regain proprioception

Where possible all exercise should be carried out with an assistance on hand to offer aid should the need arise. Time frame is 3-5 weeks but each athlete's rate of recovery may differ and should be taken into consideration. Injured athletes should progress through each activity at their own pace and move on when they can carry out each task accurately and comfortably.

 

Exercise in the intermediate rehabilitation program should start from where the early rehabilitation program ended.  Exercise 1-6 should span week 1 and the middle of week 2.  During week 2 the other exercises should be added according to the progress the athlete is making.  If an exercise is too difficult, a previous exercise can be used and modified to add more difficulty, then go from there.

 

 

 Seated rocker board

Exercise 1

Sit with both legs on the rocker board. Tilt board forward and backward, then do the same exercise with just the injured leg. This will get the athlete accustom to the movement of the board and start the process of activating the sensory receptors in the leg in preparation for the next exercise. This can be done for 3-5 minutes (m), 3 times per week.

 

 

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 Rocker board

 

Image source

Exercise 2

Unilateral stand on Rocker Board

This is first done standing with the uninjured leg on the rocker board with foam underneath it for some stability. When confident and comfortable, progress to the injured leg. This exercise should be done holding on to someone or a wall for support until enough progress have been made to do it without. This should be for 3 x 30 seconds (s), up to 3 times per week. To increase difficulty close eyes. Progress to standing on rocker board without foam underneath it with both uninjured and injured leg for 3 x 30s each, and again increase difficulty by closing eyes.

 

 

 
 


 

Exercise 3

Unilateral stand on the Bosu Balance Trainer

This is first done standing with the uninjured leg on the flat side of Bosu Balance Trainer while balancing against a therapist or wall for 3 x 30s. When comfortable progress to the injured leg and again do 3 x 30s. To increase difficulty close eyes. Progress to standing on the bubble side, uninjured then injured leg for 3 x 30s each and again increase difficulty by closing eyes. This can be done up to 3 times per week. See video for demonstration.

 

 
 Perturbation
 
 
 
Exercise 4  
 
Unstable surface with perturbation 
 
First the athlete stands on a cushion, while the therapist cause perturbation by shoulder taps. This should be done for 2 x 30s. For progression when athlete is confident and comfortable, a wobble disc should be used and then a Bosu Balance Trainer with assistance on hand or using the wall for balance.  At this stage sets should be increased to 3 x 30s and should be done 3 times per week. 
 
 
 
 
 
 Partial Squat
 
Exercise 5
 
Partial Squats
 
To do this exercise the athlete should hold on to the back of a chair, squat to 110 degrees and hold for 3-5 seconds then repeat. Do 3 sets of 10, 3 times per weak. This exercise is good for mechanically loading the muscles and structures around the knee, resulting in physiological adaptation by changing the structure of the collagen fibres.
 
                                            
 
 
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Exercise 6 
 
Mini Squats
 
The mini squats produce similar effect to the partial squats but it also puts more load through the incorporated graft, making it more ligament like, by increasing its neuromuscular and proprioceptive capabilities. This time the exercise is done without support and by squatting to 120 degrees for 8-12 repetitions.  It should be done 3 times per weak.  See video.
 
 
 
 
 
 
 
   
 
 
Exercise 7  
 
 
Mini squats using unstable surfaces
  
Again this exercise is a progression from the one done before, but the use of the dyna disc makes it more difficult to pull off and therefore develops the athlete's ability to balance by conversely developing his neuromuscular capabilities. Duration should be for 3 x 8-12 repetitions and should be done 3 time per week.  See video.
 
 
 
 
 
 
 
 
 Step ups
 
Exercise 8
 
Step up step down
 
The athlete starts off using a platform that's not too high. Step up with the involved leg followed by the uninvolved leg. Then step down with the involved leg fallowed by the uninvolved leg. Do this exercise for 5-10 minutes, once per day, 3 times per week. This helps to retrain gait by developing proprioception and neuromuscular capabilities.  See image.
 
 
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 Beam Walking
 
Exercise 9
 
Beam Walking
 
The athlete walks along a narrow foam beam slowly and very deliberately.  This exercise requires great neuromuscular control, proprioception, sensory perception and balance, and thus, a good way to develop them. The exercise is done by walking to the end of the beam unaided and back repeatedly. This should be done for 10-15 minutes, once per day, 3 times per week.  See image.
 
 
 
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Exercise 10
 Rocker board

Kneeling on a Seesaw or Rocker Board

Athlete kneels on a rocker board in between hand rails with uninjured leg, while the injured leg is bend to 90 degrees. The assistance rocks the board gently as the athlete tries to maintain balance. This is done for 3 x 30s, 3 times per week. The athlete should not kneel on the injured leg as it may cause pain and injury. For progression the eyes can be closed while carrying out the movement.  This exercise helps to develop the athlete's sense of perception to anticipate and respond to stimuli appropriately.  See image.

                                                                           

 

 

 

 resisted leg thrust

Exercise 11

Resisted thrust

Athlete sits down with knees hanging over the side of a bench with eyes closed and is instructed to resist the push or pull on the lower leg of the involved side by the therapist.  The therapist should aim for multi-directional movement patterns.  This helps to develop the speed at which the athlete perceive and responds to stimuli, a critical component for joint protection.  Do 2 x 15 reps, 3 times per week.  See image.

Image source 

 

 

 

 

 
 
Exercise 12 
 
Balance reach exercises (star exercises)
 
This is first done without an unstable base.  The athlete then stands on the involved leg on a cushion and use the uninvolved leg to reach along the length of each star. This can be done twice. For progression, use arms to reach instead of legs.  If athlete is confident and comfortable, move to wobble board and carry out the same exercises.  However, this should only be done towards the end of the intermediate rehabilitation program if the athlete made good progress.  See video.