

Poster 46:
Injury Rate and Training Characteristics in a Mexican
Crossfitter Sample
Tonatiuh Avila Garcia, MD (Hospital Civil de Guadalajara,
Guadalajara, Jalisco, Mexico), Ana C. Gutierrez, MD,
Daniel Pacheco Covarrubias, MD, Ana Villagrana, MD, Jose´ de Jesus
Gonzalez Jaime, MD
Disclosures:
Tonatiuh Avila Garcia: I Have No Relevant Financial Re-
lationships To Disclose
Objective:
To determine injury rate and evaluate training profile in a
group of Mexican crossfitters.
Design:
Cross-sectional study.
Setting:
Four specialized fitness centers in Guadalajara Mexico.
Participants:
Fifty-six subjects aged 18-40 years who had at last three
months training CrossFit (CF); previous musculoskeletal surgeries and
current sport injuries were exclusion criteria.
Interventions:
Not applicable.
Main Outcome Measures:
A survey was administered to identify
sociodemographic data, history of injuries associated with CF
and training characteristics as frequency per week, session
duration and trainer supervision. We calculated frequencies and
percentages; chi-square test was used to analyze distribution of
variables.
Results:
Mean age was 25.11 5.96 years, 31 subjects (55.4%) were
male and 25 (44.6%) female; 50 athletes (89.3%) practiced CF 4-6
times a week and 6 (10.7%) 3 days or less; session duration was 30-
60 minutes in all cases; 28 crossfitters (51.8%) had trainer supervi-
sion in at least 50% of training routine and 27 (48.2%) in less than a
half of session length. Prevalence of injury related with CF was
30.4%, shoulder was the most common location (35.3%). Among
athletes with a history of injury due to CF 70.6% (n
¼
12) were male
and 29.4% (n
¼
5) female, 94.1% (n
¼
16) trained CrossFit 4-6 days per
week and 5.9% (n
¼
1) three times or less, nevertheless none of these
distributions were statistically significant (p
¼
.13 and p
¼
.32,
respectively).
Conclusions:
Rate of injury related with CF training was higher than
previous reported. Male gender and a training frequency of four days
or more per week predominated among athletes with prior injuries,
nonetheless complementary studies are needed to establish the
definitive relationship between injuries, demographic characteristics
and training pattern in Mexican crossfitters.
Level of Evidence:
Level III
Poster 49:
Sonographically Guided Plantaris Tendon Release: A
Cadaveric Validation Study
Jay Smith, MD, FAAPMR (Mayo Clinic, Rochester, MN, USA),
Charonn D. Woods
Disclosures:
Jay Smith, MD, FAAPMR: I Have No Relevant Financial
Relationships To Disclose
Objective:
To validate a sonographically guided technique for plan-
taris tendon (PT) release in an unembalmed cadaveric model.
Design:
Prospective, cadaveric laboratory investigation.
Setting:
Procedural skills laboratory.
Participants:
20 unembalmed knee-ankle-foot specimens (10 right, 10
left) from 6 male and 10 female donors ages 55-96 years (mean 82.6
years) with BMIs of 14.1 to 33.2 kg/m
2
(mean 23.3 kg/m
2
).
Interventions:
A single, experienced operator completed sono-
graphically guided PT release using a retrograde surgical hook knife
and a 15-7 MHz transducer.
Main Outcome Measures:
PT release as documented by dissection and
absence of injury to adjacent structures.
Results:
PT release was successful in 20/20 (100%) of specimens
without injury to adjacent structures, including subcutaneous
nerves.
Conclusions:
Sonographically guided PT release is technically feasible
and should be considered in appropriately selected patients.
Level of Evidence:
Level II
Poster 51:
Extracorporeal Shock Wave Therapy for the
Treatment of Lateral Epicondylitis, Plantar Fasciitis,
and Patellar Tendinopathy
Antimo P. Gazzillo, MD (IN Univ Dept of PM&R)
Disclosures::
Antimo Gazzillo: I Have No Relevant Financial Re-
lationships To Disclose
Objective:
Comprehensive literature review of the most up to date
research regarding the treatment of lateral epicondylitis, plantar
fasciitis, and patellar tendinopathy with extracorporeal shock wave
therapy. Discussion of anatomy and etiology, history and mechanism of
extracorporeal shock wave therapy, patient selection, future consid-
erations, and review.
Design:
Literature review including multiple randomized controlled
trials. Overview includes level 1b studies.
Setting:
Outpatient physiatric and sports medicine practices.
Participants:
Patients with chronic and refractory lateral epi-
condylitis, plantar fasciitis, and patellar tendinopathy.
Interventions:
Extracorporeal shock wave therapy compared to con-
servative treatment and steroid injections.
Main Outcome Measures:
Multiple pain and function questionnaires
at 3 weeks to 6 months post treatment.
Results:
At 12 weeks, pain score and grip strength had improved in
61% in the active treatment group compared to 29% in the placebo
group. At 3 months, 84% of patients had a successful treatment by
single injection of triamcinolone compared to 60% who had 2 consec-
utive weekly sessions of shock wave therapy. Results have been mixed
depending on the study but recent literature has shown good efficacy.
Conclusions:
Extracorporeal shock wave therapy seems to be an
effective and safe tool for patients with chronic and refractory lateral
epicondylitis, plantar fasciitis, and patellar tendinopathy. Further
research is needed to confirm efficacy and gain more broad FDA
approval and insurance coverage. Currently widely used in Europe and
international sports.
Level of Evidence:
Level III
Poster 52:
Spinal Cord Injuries Sustained by Football (Soccer)
Players: A Case Series
Manoj K. Poudel, MBBS (Nepalese Academy of Physical Medicine and
Rehabilitation, Nepal, Clovis, California, United States)
Disclosures:
Manoj Poudel: I Have No Relevant Financial Relationships
To Disclose
Objective:
To identify the pattern of spinal cord injury (SCI) in soccer
players.
Design:
Retrospective case series.
Setting:
“Spinal injury soccer”, and “spinal injury football” were
searched in PubMed and news publications.
Participants:
Publications with SCI in soccer player/s.
Interventions:
N/A.
Main Outcome Measures:
Patterns of soccer game SCI.
Results:
A total of nine cases of SCI sustained by players while
playing soccer were found (three in PubMed and six in news publi-
cations). The mean age was 20 years, ranging from 11 to 29 years.
One was reported to be female. Seven players suffered cervical,
one lumbar and one thoracic SCI. Mechanism of injury in cervical SCI
S154
Abstracts / PM R 9 (2017) S131-S290