Category: Orthopedics
Keywords: mTBI, concussion, MRI (PubMed Search)
Posted: 5/9/2020 by Brian Corwell, MD
(Updated: 2/18/2025)
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MRI for Concussion Testing in the ED
The increased sensitivity of MRI may have a role in detecting more subtle intracranial injuries.
135 patients with mild TBI were prospectively evaluated for acute head injury in emergency departments of 3 LEVEL I trauma.
27% of these patients with a normal initial head CT had an abnormal brain MRI including contusions and microhemorrhages. A greater number of these subtle findings was associated with neuropsychological defects on both short-term memory function and with poorer 3 month cognitive outcomes. Inherent difficulties of access, actionable results and reimbursement issues prevent application of MRI for concussion evaluation in the ED.
Note: Mild TBI defined as GCS 13-15 is not the same as sport or activity related concussion which I consider to be GCS 14-15.
Take home: There is currently no role for MRI in the acute evaluation of concussion in the ED.
1) Yuh et al., 2013. Magnetic resonance imaging improves 3-month outcome prediction in mild traumatic brain injury. Ann Neurol.
2) Huang et al., 2015. Susceptibility weighted MRI in mild traumatic brain injury. Neurology.
Category: Orthopedics
Keywords: ibuprofen, analgesia, pain (PubMed Search)
Posted: 4/25/2020 by Brian Corwell, MD
(Updated: 2/18/2025)
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Comparison of Oral Ibuprofen at Three Single-dose Regimens for Treating Acute Pain in the Emergency Department: A Randomized Controlled Trial
Ibuprofen is one of the most commonly used medications in the ED for the acute treatment of pain. Analgesic ceiling doses are not well supported. Some adverse effects of NSAIDs are dose dependent (GI and cardiovascular).
A recent study looked to compare the analgesic effect of oral ibuprofen at 3 different doses
Population: Adult ED patients (aged 18 and older) with acute pain.
Methods: Randomized double-blind trial.
Goal: To examine the efficacy of ibuprofen at 400, 600 and 800mg.
Only 225 patients enrolled (75 per group). Outcome was difference in pain scores at 60 minutes.
Results: Difference in mean pain scores at 60 minutes between 400 and 600mg (0.14), 400 and 800mg (0.14) and 600 and 800mg (0.00).
Conclusion: Reduction in pain scores was similar between all 3 dosing groups. Consider lower dosing of ibuprofen in ED patients presenting with acute pain.
This analgesic ceiling dose is lower than recommended by the FDA and most EM textbooks.
Consider using the 400mg ibuprofen dose for ED patients with acute pain
Motov et al., 2019. Comparison of Oral Ibuprofen at Three Single-dose Regimens for Treating Acute Pain in the Emergency Department: A Randomized Controlled Trial. Annals of Emergency Medicine. Oct 2019.
Category: Orthopedics
Keywords: Analgesia, muscle injury, pain control (PubMed Search)
Posted: 3/28/2020 by Brian Corwell, MD
(Updated: 4/11/2020)
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A recent study looked at
Back pain is the most common pain complaint worldwide
-Accounted for about 9% of all ED visits.
Summary: ED use of tramadol for back pain doubled from 2007 to 2016 despite an overall decrease in opioid use (in that period)
Tramadol -- either administered in the ED or prescribed -- was used in 8.4% of back pain visits in 2016, up from 4.1% in 2007 (P=0.001).
In 2007, overall opioid use was 53.5%; in 2016, it was 46.5% (P=0.001). The largest drop was in hydrocodone use.
A recent study in JAMA looked at the risk of death in 90,000 people one year after filling a Rx for tramadol vs. one of several other analgesics such as naproxen, diclofenac or codeine.
All patients were aged 50 years or older and has osteoarthritis.
Initial Rx for tramadol was associated with a higher rate of mortality than with NSAIDs (but not compared to codeine).
Zeng et al., 2019. Association of Tramadol With All-Cause Mortality Among Patients With Osteoarthritis. JAMA 2019 March 12;321(10):969-982.
Mullins et al., 2020. Trends in Evaluation and Management of Back Pain in United States Emergency Departments (2007-2016). AAAPM 2020.
Category: Orthopedics
Keywords: Dislocation, fracture (PubMed Search)
Posted: 3/28/2020 by Brian Corwell, MD
(Updated: 2/18/2025)
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Studying the demographics of all both sports and recreation related injuries is important for the development of effective preventive strategies.
Methods: National electronic injury surveillance system all injury program from 2005 to 2013 (367,300 sports and recreation related ED visits).
18 common sports and recreational activities in the United States
Results: A fracture occurred in 20.6% and a joint dislocation in 3.6% in ED visits for a sport related visit
Most of the fractures occurred in football (22.5%) and occurred in autumn and summer. Most fractures occurred in arm/hand (finger most common). Most fractures occurred in school or sporting venues.
The OR for fracture was greatest for inline skating (6.03), males (1.21) and those between 10 and 14 years of age and those older than 84 years (4.77).
Dislocations were highest in basketball (25.7%) and occurred in the autumn and on weekends. Most dislocations occurred in school or sporting venues.
The OR for dislocation was greatest in gymnastics (4.08), males (1.50) and those aged 20 to 24 years (9.04)
The most common fracture involved the finger and the most common dislocation involved the shoulder, followed by finger and knee.
The Demographics of Fractures and Dislocations Across the Entire United States due to Common Sports and Recreational Activities. Sports Health. 2020 Mar/Apr;12(2):159-169.
Category: Airway Management
Keywords: Epidural abscess, back pain (PubMed Search)
Posted: 3/14/2020 by Brian Corwell, MD
(Updated: 2/18/2025)
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Laboratory studies are not often indicated in the early evaluation of low back pain.
Complete blood counts (CBC) have poor sensitivity and specificity for infection. White blood cell (WBC) counts, have poor sensitivity and specificity for infection. They may be elevated and a left shift or bandemia may be present and increase suspicion for infection, but a lack of these does not rule out infection. Elevated WBC counts are only found in two-thirds of patients with SEA.
Both erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) are highly sensitive (84-100%) for spinal infections and are observed in >80% with vertebral osteomyelitis and epidural abscesses. However, elevated CRP was found in 87% of patients with an epidural abscess as well as half of patients with spine pain not due to an epidural abscess, so is not highly specific.
CRP levels rise rapidly and decrease rapidly with improvement in disease and may be better used to follow response to treatment. ESR is the most sensitive and specific serum marker of infection. ESR is elevated in 94-100% of patients with an epidural abscess compared to only 33% of those without an epidural abscess. Infection is unlikely in patients with an ESR less than 20 mm/h. Although an elevated ESR (>20 mm/h) is the most specific serum test for infection, it also may indicate occult malignancy (sensitivity, 78%; specificity, 67%).
If infection is suspected, obtain two sets of blood cultures, as a causative pathogen may be identified in ~50% of patients.
Category: Airway Management
Keywords: MRI, back pain (PubMed Search)
Posted: 2/22/2020 by Brian Corwell, MD
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Cauda Equina Syndrome is a medical emergency that is considered in all patients who present to the ED with lower back pain.
Clinical presentation is variable in nature and may include some combination of lower back pain, bowel or bladder dysfunction, sexual dysfunction, saddle anesthesia with motor/sensory abnormalities.
MRI is the gold standard for diagnosis
Many of us have encountered a scenario where a patient with high clinical suspicion returns with scan negative MRI.
Studies have attempted to characterize this population.
Patients in the scan negative group had an increased prevalence of functional disorders (37% vs. 9%), functional neurologic disorders (12% vs. 0%), and psychiatric comorbidities (53% vs. 20%).
Further study is needed to characterize this association.
Hospitals may consider individualized neurologic and psychiatric referral for certain patients who are scan negative in the future.
Is scan-negative cauda equina syndrome a functional neurological disorder? A pilot study. Gibson et al., Eur J Neurol 2020, Feb 19.
Is scan-negative cauda equina syndrome a functional neurological disorder? A pilot study. Gibson et al., Eur J Neurol 2020, Feb 19.
Category: Orthopedics
Keywords: Back pain (PubMed Search)
Posted: 2/8/2020 by Brian Corwell, MD
(Updated: 2/18/2025)
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Taking an accurate history to diagnose Cauda Equina Syndrome (CES)
Classic teaching is to inquire specifically about bowel and bladder function, sexual dysfunction, and/or loss of sensation in the groin.
Rather than asking about urinary incontinence, clinicians should ask specifically about difficulty passing urine, new leakage and retention.
Discussing issues related to sexual dysfunction are difficult for both clinicians and patients.
Rather than asking if there are any issues with sexual function, a more direct and informative way would be to ask if the patient has a “change in ability to achieve an erection or ejaculate” or “loss of sensation in genitals during sexual intercourse.”
Saddle anesthesia has the highest predictive value in diagnosing MRI-proven CES. Loss of sensation may be incomplete and patchy. Ask about change in sensation with wiping after a bowel movement.
Greenhalgh S, Truman C, Webster V, Selfe J. Development of a toolkit for early identification of cauda equina syndrome. Prim Health Care Res Dev. 2016;17(6):559-567.
Category: Orthopedics
Keywords: Concussion, (PubMed Search)
Posted: 1/25/2020 by Brian Corwell, MD
(Updated: 2/18/2025)
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Timeliness of Concussion Referral
Do patients with a self-limited diagnosis of “concussion” require specialty follow up?
If so, is there a benefit to earlier evaluation?
Recently published research from the University of Pittsburgh Sports Medicine Concussion Program suggests so.
Subjects: 162 concussed athletes between the ages of 12 and 22
Findings: Athletes treated in the first week after injury recovered faster than those who did not receive care until 8 to 21 days post injury.
Note: Once in care the length of time spent recovering was the same for both groups. This suggests that the amount of time prior to the initiation of care may explain the longer recovery time of the 2nd group.
Earlier recovery can help minimize effects on mood, quality of life and lost time in school/work.
Take home: Consiuder early follow up referral to a qualified provider for all concussed patients seen in the ED
Kontos et al., 2020. Association of Time Since Injury to the First Clinic Visit With Recovery Following Concussion. Jama Neurology.
Kontos et al., 2020. Association of Time Since Injury to the First Clinic Visit With Recovery Following Concussion. Jama Neurology.
Category: Airway Management
Keywords: back pain, urinary retention, CES (PubMed Search)
Posted: 1/11/2020 by Brian Corwell, MD
(Updated: 2/18/2025)
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Known effects and side effects of prescribed medicines may masquerade as cauda equina syndrome (CES) .
Analgesic medicines used by patients with chronic back pain may also cloud the diagnosis of CES.
Cholinergic medications (glaucoma/myasthenia) may lead to voiding issues.
Anticholinergic medications (COPD/urinary incontinence) may lead to urinary retention.
Opioids – Constipation, reduced bladder sensation
Anticonvulsants (Gabapentin/Pregabalin)- Urinary incontinence
Antidepressants (Amitriptyline) – Urinary retention, sexual dysfunction, reduced awareness of need to pass urine
NSAIDs – Urinary retention.
Verhamme KM, et al. Nonsteroidal anti-inflammatory drugs and increased risk of acute urinary retention. Arch Intern Med. 2005:165;1547-1551.
Category: Orthopedics
Keywords: Klein's line, S sign, AVN (PubMed Search)
Posted: 12/14/2019 by Brian Corwell, MD
(Updated: 2/18/2025)
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Slipped Capital Femoral Epiphysis (SCFE)
http://www.raymondliumd.com/images/SCFE%20illustrated%20and%20cropped.jpg
Early Diagnosis:
Klein’s Line on AP view
https://pedemmorsels.com/wp-content/uploads/2018/01/Slipped-Capital-Femoral-Epiphysis-3.png
Another virtual line may assist in diagnosis
S-sign
Klein's line and S-sign
Consider adding both of these virtual lines/signs to your review of the pediatric hip plain film
Rebich et al., 2018. The S Sign: A New Radiographic Tool to Aid in the Diagnosis of Slipped Capital Femoral Epiphysis. J Emerg Med.
Category: Orthopedics
Keywords: back pain, muscle relaxants (PubMed Search)
Posted: 11/23/2019 by Brian Corwell, MD
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The role of skeletal muscle relaxants in the management of lower back pain in the ED
Patients with lower back pain (LBP) presenting to the ED are often treated with NSAIDs plus skeletal muscle relaxants.
A recent study in Annals of Emergency Medicine compared functional outcomes and pain in ED patients with acute non radicular LBP with 4 different treatment regimens.
Conclusion: Adding a muscle relaxant to ibuprofen did not improve pain or improve function at 1 week following an ED visit for LBP.
Note: Prior studies have found no benefit to adding opioids or diazepam to NSAIDs for ED patients with acute non radicular LBP
Friedman et al., 2019. Annals of Emergency Medicine
Category: Orthopedics
Keywords: Hip pain, bursitis (PubMed Search)
Posted: 11/9/2019 by Brian Corwell, MD
(Updated: 2/18/2025)
Click here to contact Brian Corwell, MD
Lateral hip pain is a common presentation of hip pain.
Typically seen in runners and women over the age of 40 who start unaccustomed exercise.
Pain from OA of the hip which is typically medial (groin pain)
Lateral hip pain has traditionally been diagnosed at trochanteric bursitis.
Research suggests that lateral hip pain may be multifactorial and better termed Greater trochanteric pain syndrome.
Pain from the gluteal medius and/or minimus due to non-inflammatory tendonopathy is likely causative. This may cause a secondary bursitis.
Pain is insidious, gradual worsens and is variable based on activity type.
Also, can be seen after a fall resulting in tearing.
Pain is described as a deep ache or bruise. It can stay localized or radiate down lateral thigh towards knee.
Patients report night/early morning pain and when rolling over onto the outer hip on affected side.
Fatigue from prolonged sitting, walking and single leg loading activities such as walking up stairs.
Provoking activities and postures cause compressive forces on the involved tendons.
These generally occur when the hip is adducted across midline such as with
Side sleeping,
Place pillow between legs to align pelvis and keep knee and hip in line
Crossed leg sitting
Sit w/ knees at hip distance and feet on floor
Selfie poses - Standing w a hitched hip (pushing hip to the side).
Attempt to correct biomechanical issues before progressing directly to bursal steroid injection
May only be a temporary fix if underlying issue not addressed.
A helpful clinical guide
https://bjgp.org/content/bjgp/67/663/479/F1.large.jpg?download=true
Category: Orthopedics
Keywords: Concussion Incidence, epidemiology, (PubMed Search)
Posted: 10/26/2019 by Brian Corwell, MD
(Updated: 2/18/2025)
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A recent epidemiology study in Pediatrics looked at concussions in 20 high school sports during the 2013–2014 to 2017–2018 school years.
For every athlete, one practice or competition was counted as one exposure.
Overall, 9542 concussions were reported for an overall rate of 4.17 per 10 000 athletic exposures (AEs).
Football continues to have the highest incidence with a concussion rate of 10.40 per 10 000 AEs.
As in previous studies, rates in competition (33.19 to 39.07 per 10 000 AEs) are increasing and higher than rates in practice which are lower and decreasing over the study period (5.47 to 4.44 per 10 000 AEs).
This may reflect better reporting or increasing injury rate
In all 20 sports, recurrent concussion rates decreased from 0.47 to 0.28 per 10 000 AEs.
Confirming prior studies, among sex-comparable sports, concussion rates were higher in girls than in boys (3.35 vs 1.51 per 10 000 AEs).
Also, among sex-comparable sports, girls had larger proportions of concussions that were recurrent than boys (9.3% vs 6.4%).
This study may reflect effective implementation of strategies to reduce concussion incidence such as mandatory removal from play and more stringent requirements associated with return to play.
Concussion Incidence and Trends in 20 High School Sports, Kerr et al., 2019, Pediatrics.
Category: Orthopedics
Keywords: Playing surface, concussion (PubMed Search)
Posted: 10/12/2019 by Brian Corwell, MD
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Synthetic turf playing surfaces have been growing in popularity over the last decade and seem to have become a new standard.
Due to the need for durable fields that can accommodate multiple teams/activities, in addition to the high cost of maintaining grass and the need to conserve water, many parks and schools have switched from grass to turf. Turf is advertised as maintenance free but ….this is not the case.
Locally, at M&T Bank Stadium, groundskeepers drive a LitterKat turf sweeper across the field for 4 hours 2-3 times a week to ensure that the synthetic rubber is cleaned and distributed evenly. The field is also repainted every 4 games because the paint may become hard. The cost of this level of maintenance is beyond what many parks and local high schools can afford.
A recent study examined high school concussion data at almost 2000 high schools with over 14,000 recorded concussions. Researchers concluded that more concussions occurred in games than practices. Interestingly, they also found that playing surface was significantly associated with concussion. Almost 90% of all injuries occurred on turf-based surfaces. Turf outweighed all other mechanisms of injury, including helmet-to-helmet hits and grass playing surface. Between 10 and 15.5% of concussions occur from helmet to ground contact. In the NFL, this mechanism accounts for about 1 in 7 concussions.
Attempting to limit total exposure time in practice and games on turf surfaces may be beneficial until more study is needed.
Category: Orthopedics
Keywords: Tenosynovitis, wrist pain (PubMed Search)
Posted: 9/28/2019 by Brian Corwell, MD
(Updated: 2/18/2025)
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Intersection Syndrome
De Quervain’s is a common tenosynovitis is involving the the 1st dorsal compartment of the wrist/forearm.
Intersection syndrome is a tenosynovitis that occurs at the intersection of the 1st and 2nd dorsal compartments.
Pathology located at crossing point of the 1st compartment structures (APL and EBP) with the radial wrist extensors (ECRB and ECRL)
Occurs most commonly from repetitive wrist extension and is common in rowers, weight lifters, and in those playing racquet sports.
Occurs about 4 to 6cm proximal to the radiocarpal joint VERSUS De Quervain’s which occurs near the level of the radial styloid.
Pain worse with resisted wrist and thumb extension
Radiographs not required
Splint and start NSAIDs
Recalcitrant cases can be referred for corticosteroid injection
https://stemcelldoc.files.wordpress.com/2012/09/intersection-syndrome-referral-pain-pattern1.jpg
Category: Orthopedics
Keywords: foot fracture, radiology (PubMed Search)
Posted: 9/14/2019 by Brian Corwell, MD
(Updated: 2/18/2025)
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Imaging of Lisfranc Injuries
Tarsometatarsal fracture-dislocation
Anatomy
3 Columns of the midfoot, divided by the tarsometatarsal joints
The Lisfranc ligament
- Extends from the 2nd MT to the medial cuneiform
- Critical to structure and stabilization of the 2nd MT and the midfoot arch
Imaging
Plain films: AP/lateral/oblique
Consider weight bearing view with contralateral comparison if high suspicion
CT: Can be useful to confirm abnormal plain films
MRI: not done in ED but can be used to diagnose pure ligament injuries
Below is a review of the lines of the foot which will ensure not missing this diagnosis. May be helpful to review with sample imaging.
Plain films findings: https://prod-images.static.radiopaedia.org/images/49189279/86408d5bae08ab80ae9ef377337ab7_big_gallery.jpeg
On AP view:
On Lateral view:
On the Oblique view:
Remember that the lateral margin of the 5th MT can project lateral to the cuboid (up to 3 mm)
Lines drawn on 2 view foot for review
https://radiopaedia.org/cases/lisfranc-ligament-normal-alignment
Orthobullets.org
Category: Orthopedics
Keywords: Foot, instability, dislocation (PubMed Search)
Posted: 8/24/2019 by Brian Corwell, MD
(Updated: 2/18/2025)
Click here to contact Brian Corwell, MD
Tarsometatarsal fracture-dislocation
The Lisfranc ligament is critical for stabilization of the midfoot arch and the 2nd MT
Injuries can range from mild (sprains) to severe (gross dislocation)
Injury may be purely ligamentous injuries or a fracture-dislocations
Difficult diagnosis to make
https://www.aafp.org/afp/1998/0701/afp19980701p118-f4.jpg
Mechanisms: MVAs, fall from height or athletic injuries
Common athletic mechanism: Axial load to a hyperplantar flexed forefoot
Injury severity is often underestimated
Severe pain and inability to weight bear
Plantar bruising and bruising throughout midfoot
No specific tests as exam is limited due to pain
Midfoot stress tests
-Often positive but unlikely to be allowed by patient due to pain
https://www.youtube.com/watch?v=v8SGVwz2RHs
Midfoot instability test
Grasp metatarsal heads and apply dorsal force to forefoot.
Other hand palpates the TMT joints and feels for dorsal subluxation
Category: Orthopedics
Keywords: Anterior knee pain (PubMed Search)
Posted: 8/10/2019 by Brian Corwell, MD
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Plica Syndrome
-A painful impairment of knee function resulting from thickened and inflamed synovial folds
Plicae are embryologic remnant inward folds of the synovial lining present in most knees
Most plica are asymptomatic
A pathological synovial plica can become inelastic, thickened and fibrotic. It may bowstring across the femoral trochlea at 70 to 100 degrees of knee flexion
Can be a cause of anterior knee pain/mechanical Sxs
Medial patellar plica most commonly involved
Hx: Snapping sensation, pain w/ sitting or repetitive activity
Anterior knee pain, clicking, clunking, and a popping sensation on knee loading activity such as squatting/stairs or with prolonged sitting
Many present with history of blunt trauma to the anterior knee
PE: A taut band of tissue that reproduces concordant pain with palpation
Tenderness in the medial parapatellar region
Painful, palpable medial parapatellar cord
-This can be rolled and popped beneath the examiners finger
The knee may be tender to the touch, swollen, and stiff
Can be difficult to distinguish from other intra-articular conditions such as meniscal tears, articular cartilage injuries, or osteochondral lesions,
The examiner can then palpate for the plica by rolling one finger over the plica fold, which is located around the joint lines in anterior knee compartment
https://www.ortho.com.sg/wp-content/uploads/2018/04/medial-plica-syndrome-31-e1478966479644.jpg
Lee et al., 2017. Surg J. Synovial Plica Syndrome of the Knee: A Commonly Overlooked Cause of Anterior Knee Pain.
Category: Orthopedics
Keywords: Bone stress reaction, fracture, overuse injury (PubMed Search)
Posted: 7/27/2019 by Brian Corwell, MD
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Bone stress injury (BSI) in Adolescents
A BSI occurs along a pathology continuum that begins with a stress reaction and may progress all the way to a stress fracture.
Difficult to diagnose clinically.
Identifying risk factors as part of the history is very important.
Common sites for BSI are most frequently in the lower extremity and include the tibia, fibula, tarsals and metatarsals, calcaneus, and femur.
When considering this in an ED setting, image the involved area and if there is no fracture, advise discontinuing the activity until time of PCP/sports medicine follow up. For those with rest pain, pain with minimal weight bearing or in whom a fracture was suspected but not present, consider providing a walking boot or crutches.
BSIs occur more frequently in young athletes than in adults.
Almost 50% of BSIs occur in those younger than 20 years of age
Primary care and sports medicine providers are seeing more of these patients due to many factors.
Year-round training, sports specialization at younger ages and increase in training intensity/duration contribute to the increase incidence in adolescents.
Not surprisingly, participation in organized sports as an adolescent is a known risk factor.
Just as a change in sporting level from high school to college is a known risk factor for BSI, young “gifted” athletes who are promoted to competing with the varsity team may be at similar risk.
Shin pain lasting more than 4 weeks may represent a unique subset of MSK pain complaints increasing risk of BSI.
A prior history of BSI is a strong predictor of future BSI.
Inquire about night pain, pain with ambulation, and pain affecting performance.
Athletes with BSIs have a significantly lower BMI than controls (<21.0 kg/m2).
Athletes with BSIs sleep significantly less than controls.
Athletes with BSIs have significantly lower dairy intake than controls.
Inquire about components of the female athlete triad (low energy availability, menstrual dysfunction and low bone mineral density)
Nussbaum et al., 2019. Identifying Factors That Contribute to Adolescent Bony Stress Injury in Secondary School Athletes: A Comparative Analysis With a Healthy Athletic Control Group. Sports Health.
Category: Orthopedics
Keywords: shoulder, overhead athlete (PubMed Search)
Posted: 7/13/2019 by Brian Corwell, MD
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Long head of biceps tendon (LHBT) Testing
Overhead activities can cause anterior shoulder pain due to LHBT instability. A review of 3 physical exam maneuvers for bedside evaluation.
Speed test
Shoulder at 90° of flexion with arm fully supinated and elbow extended
Patient attempts to fwd. elevate arm against a downward force
Positive test is pain localized to bicipital groove.
Sensitivity 54% and specificity 81% for biceps pathology
Yergason test
Elbow at 90° of flexion with arm fully pronated and held against thoracic wall. Examiner grips patient’s hand and resists attempts at supination.
Positive test is pain localized to bicipital groove or LHBT subluxation.
Sensitivity 41% and specificity 79% for biceps pathology
Upper Cut test
Shoulder neutral with Elbow at 90° of flexion, arm fully supinated and hand in a fist. Patient moves hand toward chin in an uppercut motion like a boxer. Examiner places hand over patient’s fist and resists upward movement.
Positive test is pain localized to bicipital groove or LHBT subluxation.
Sensitivity 73%, specificity 78%, +LR 3.38 for biceps pathology
Comprehensive Examination of the Shoulder. Cotter et al., 2018. Sports Health