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18-year-old male with right knee pain in the musculo- tendinous junction and tendinous insertion of rectus femoris. Symptoms began during a baseball game on 2/19/2018 (patient is the catcher on his high school team). Pain was the worst when he would try standing up from his squatting position. As the week progressed, the pain intensity decreased from 6–7/10 (VAS) to 4–5/10, mainly with squatting/lunging movements.
Past/current medical history is quite unremarkable; mainly dealing with minor musculoskeletal injuries as a result of high level athletics and overuse.
AROM: Right knee flexion:10 degrees from normal, all others WNL and symmetrical.
PROM: Right knee flexion: 5 degrees from normal, all others WNL and symmetrical.
MSR: WNL and symmetrical.
Deep Squat: Visual discomfort in the eccentric phase with pain during initial concentric phase. The patient was unable to go below 90 degrees of knee flexion due to pain.
Palpation: Point tenderness noted at musculotendinous junction and tendinous insertion of rectus femoris. Hypertension (+1/4) of rectus femoris muscle body.
No evidence of ecchymosis or swelling
Strain of distal tendon of rectus femoris as a direct result of an acute increase in intensity, frequency, and volume of lower body resistance training, which began 2 weeks prior.
- Treatment Region: Distal musculotendinous junction and insertion of rectus femoris
- Treatment Frequency: 2 treatments per week for 1 week, then 1 treatment per week for 4 weeks
- Treatment Attachment: Large massage ball
- Power Setting: 15 W
- Dosage: 5,200 J/cm2
- Treatment Area Size: 400 cm2 (200 cm2 x 2)
- Treatment Time: 2 min 53 sec x 2
Following treatment, the patient noted immediate relief of symptoms (1/10 VAS). Reassessment of deep squat revealed the patient was able to achieve a “below parallel” squat position and rise out of it with no pain.
As it would appear during clinical evaluation following laser therapy, the patient expressed an improvement in perceived functionality and a decrease in perceived pain with movement. Having a tool that allows us to provide the patient with a “less threatening” environment (one in which they experience less pain) allows us to place the affected tissues/joints into normal physiological positions that were restricted in their prior state. When the patient’s perception of pain is decreased, we are able to drive adaptation processes quicker due to an earlier prescription of resistance-based rehabilitation exercises, when compared to those with a similar diagnosis who did not receive laser therapy.1,2
In the case of this patient, he is an elite high school baseball player with a full-ride scholarship to play collegiate Division 1 baseball, having the ability to heal (within safe parameters) faster is crucial for his ability to properly perform at his position.
“I was excited starting my baseball season this year, but worked out in the weight room and practiced way too much on my knee the first week, causing severe pain from over-usage. I called Dr. Kees and he got me right in and laser treated me as well and scraped and taped me. I went from not being able to squat without pain to catching in a scrimmage in less than a week, pain-free.”
Located in Newark, DE, LightForce Therapy Lasers (a division of LiteCure, LLC) provides leading therapeutic solutions to healthcare professionals. LiteCure is a registered manufacturer providing FDA cleared products for a variety of medical applications. Each product has been designed and manufactured under stringent quality control systems that are certified to meet ISO-13485 standards for medical devices. Constant product innovation and industry-leading customer service allow LiteCure to provide the most comprehensive therapy and photobiomodulation implementation solutions in the market.
- Kongsgaard, , Kovanen, V., & Aagaard, P. (2009). Corticosteroid Injections, Eccentric Decline Squat Training and Heavy Slow Resistance Training in Patellar Tendinopathy. Scand J Med Sci Sports, 19, 790-802. doi:10.1111/j.1600-0838.2009.00949.x
- Fibril Morphology and Tendon Mechanical Properties in Patellar Tendinopathy: Effects of Heavy Slow Resistance Training. Mads Kongsgaard, PhD, , Klaus Qvortrup, MD, PhD, Jytte Larsen, PhD, Per Aagaard, PhD, Simon Doessing, MD, PhD, Philip Hansen, MD, Michael Kjaer, MD, DSc, Peter Magnusson, DSc. The American Journal of Sports Medicine Vol 38, Issue 4, pp. 749 – 756. First Published August 30, 2017. https://doi.org/10.1177/0363546509350915
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