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Mini Case: Tibial Tuberosity Avulsion Fracture

2/3/2015

1 Comment

 
Picture
At my clinic, we offer a rapid referral system where we provide free screens for patients in order to determine either a need for skilled physical therapy or possible referral to another practitioner. Recently, I had a 12 year old boy come for a screening due to knee pain. The patient reported that he had been practicing kicking footballs when on one kick, he felt a "pop" and developed severe knee pain in the planted leg. The patient denied any hx of knee pain prior to the incident. Pain was located over the tibial tuberosity and painful with palpation. Pain could also be increased with squatting or jumping and decreased with rest.

Due to the location of pain being only over the tibial tuberosity, I immediately had minimal suspicion of a ligament or meniscal tear. Objective testing confirmed my hypothesis: (-) Lachmann's, (-) Anterior Drawer, (-) Posterior Drawer, (-) Valgus/Varus Stress, (-) Extension Overpressure, (-) Joint Locking/Catching, (-) Joint Line Tenderness, (-) McMurray's, (+/-) Flexion Overpressure (pain located at tibial tuberosity). There was pain with resisted quadriceps contraction and with a stretch of the quadriceps. Based on the location of the patient's symptoms and tenderness at the tibial tuberosity, a potential diagnosis is Osgood-Schlatter's. The patient is in his adolescent years, there was increased prominence of bilat tibial tuberosities, and the location of the pain matches. However, there were several factors that made Osgood-Schlatter's less likely. It typically has an insidious onset and is often found bilaterally. This patient had a sudden development of pain with a "pop" and only had unilateral pain. With the negative ligament and meniscal testing and decreased likelihood of Osgood Schlatter's, my initial hypothesis of avulsion fx of the tibial tuberosity had moved up the list.

While there is no orthopedic test to specifically test for avulsion fractures of the tibial tuberosity, we can still use our clinical reasoning to come to this diagnosis by effectively ruling out other pathologies. One factor that stood out in this case was the patient's age. In the adolescent stage, this patient's growth plates had not closed yet. Patients this age are more susceptible to avulsion fractures in general. In school, we are taught to test for stress fractures using tuning forks or possibly ultrasound (ouch!), but the diagnostic accuracy is lacking. Needless to say, I referred the patient to an orthopedic surgeon who later confirmed an avulsion fracture. The patient will trial rest for 2-4 weeks before potentially initiating therapy.

-Chris

1 Comment
Miles
7/21/2015 09:38:48 pm

....just a quick note re avulsion.....tibial tuberosity is an apophysis, not epiphysis..it isn't a growth plate....the avulsion can disrupt into the growth plate...is that what occurred?

Reply



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  • Home
    • Newsletter
    • About
  • Insider Access
    • About Insider Access
  • Brian's Corner
    • Sports & Entrepreneurship Blog
    • Return to Sport Tests
    • PT Entrepreneur Course
    • Return to Sport Essentials Course
    • Become a PAID PT Consultant Course
  • Chris' Corner
  • Jim's Corner
    • Orthopedic Blog
  • Special Tests
    • Cervical Spine >
      • Alar Ligament Test
      • Bakody's Sign
      • Cervical Distraction Test
      • Cervical Rotation Lateral Flexion Test
      • Craniocervical Flexion Test (CCFT)
      • Deep Neck Flexor Endurance Test
      • Posterior-Anterior Segmental Mobility
      • Segmental Mobility
      • Sharp-Purser Test
      • Spurling's Maneuver
      • Transverse Ligament Test
      • ULNT - Median
      • ULNT - Radial
      • ULNT - Ulnar
      • Vertebral Artery Test
    • Thoracic Spine >
      • Adam's Forward Bend Test
      • Passive Neck Flexion Test
      • Thoracic Compression Test
      • Thoracic Distraction Test
      • Thoracic Foraminal Closure Test
    • Lumbar Spine/Sacroiliac Joint >
      • Active Sit-Up Test
      • Alternate Gillet Test
      • Crossed Straight Leg Raise Test
      • Extensor Endurance Test
      • FABER Test
      • Fortin's Sign
      • Gaenslen Test
      • Gillet Test
      • Gower's Sign
      • Lumbar Quadrant Test
      • POSH Test
      • Posteroanterior Mobility
      • Prone Knee Bend Test
      • Prone Instability Test
      • Resisted Abduction Test
      • Sacral Clearing Test
      • Seated Forward Flexion Test
      • SIJ Compression/Distraction Test
      • Slump Test
      • Sphinx Test
      • Spine Rotators & Multifidus Test
      • Squish Test
      • Standing Forward Flexion Test
      • Straight Leg Raise Test
      • Supine to Long Sit Test
    • Shoulder >
      • Active Compression Test
      • Anterior Apprehension
      • Biceps Load Test II
      • Drop Arm Sign
      • External Rotation Lag Sign
      • Hawkins-Kennedy Impingement Sign
      • Horizontal Adduction Test
      • Internal Rotation Lag Sign
      • Jobe Test
      • Ludington's Test
      • Neer Test
      • Painful Arc Sign
      • Pronated Load Test
      • Resisted Supination External Rotation Test
      • Speed's Test
      • Posterior Apprehension
      • Sulcus Sign
      • Thoracic Outlet Tests >
        • Adson's Test
        • Costoclavicular Brace
        • Hyperabduction Test
        • Roos (EAST)
      • Yergason's Test
    • Elbow >
      • Biceps Squeeze Test
      • Chair Sign
      • Cozen's Test
      • Elbow Extension Test
      • Medial Epicondylalgia Test
      • Mill's Test
      • Moving Valgus Stress Test
      • Push-up Sign
      • Ulnar Nerve Compression Test
      • Valgus Stress Test
      • Varus Stress Test
    • Wrist/Hand >
      • Allen's Test
      • Carpal Compression Test
      • Finkelstein Test
      • Phalen's Test
      • Reverse Phalen's Test
    • Hip >
      • Craig's Test
      • Dial Test
      • FABER Test
      • FAIR Test
      • Fitzgerald's Test
      • Hip Quadrant Test
      • Hop Test
      • Labral Anterior Impingement Test
      • Labral Posterior Impingement Test
      • Long-Axis Femoral Distraction Test
      • Noble Compression Test
      • Percussion Test
      • Sign of the Buttock
      • Trendelenburg Test
    • Knee >
      • Anterior Drawer Test
      • Dial Test (Tibial Rotation Test)
      • Joint Line Tenderness
      • Lachman Test
      • McMurray Test
      • Noble Compression Test
      • Pivot-Shift Test
      • Posterior Drawer Test
      • Posterior Sag Sign
      • Quad Active Test
      • Thessaly Test
      • Valgus Stress Test
      • Varus Stress Test
    • Foot/Ankle >
      • Anterior Drawer
      • Calf Squeeze Test
      • External Rotation Test
      • Fracture Screening Tests
      • Impingement Sign
      • Navicular Drop Test
      • Squeeze Test
      • Talar Tilt
      • Tarsal Tunnel Syndrome Test
      • Test for Interdigital Neuroma
      • Windlass Test
    • HEP >
      • Neck and Shoulder >
        • Supine Chin Tuck
        • Supine DNF with Towel Assist
        • Supine DNF
        • Standing Chin Tuck Against Wall
        • Standing Chin Tuck Against Wall with Scaption
        • Seated Cervical Retraction Repeated
        • Seated Cervical Retraction with Extension Repeated
        • Seated Cervical Retraction with Sidebend Repeated
        • Seated Cervical Retraction with Rotation Repeated
        • Standing Wall Shrugs at 90 Degrees Flex
        • Seated Thoracic Whips
        • Standing Ballistic Shoulder Extensions
        • Standing Repeated Shoulder Extension with Squat
        • Standing Repetead Shoulder Horiz. Abd. with Ext. CKC
        • Seated with Arms on Pillows Cervical AROM (Flex/Ext/Rot/SB)
        • Seated with Arms on Pillows Shrugs
        • Seated with Arms on Pillows Shrug with Scapular Retraction
        • Supine Shoulder IR with GH Centralization
        • Supine Shoulder ER with GH Centralization
        • Holding Dumbbell at 180 Degrees Flexion for Time
        • Cat Camel
        • Prone T's
        • Prone Y's
        • Quad Chin Tuck w/ Shoulder Flexion
      • Low Back >
        • Supine TA Isometric
        • Standing TA Isometric Agains Wall with Squat
        • Supine BKFO
        • Quad Rock Back
        • Standing Hip Hinge
        • Sit to Stand with Hip Hinge
        • Repeated Lumbar Sideglides
        • Repeated Standing Lumbar Extension
        • Repeated Standing Lumbar Flexion
        • Repeated Prone Press-Ups
        • Repeated Supine DKC
        • Slump Sciatic Nerve Glides
        • Birddog Progression
      • Hip and Knee >
        • Clamshells with Progressions
        • Fire Hydrants with Progressions
        • Donkey Kicks
        • Bridge Variations
        • Repeated Hip Flexion
        • Squats
        • Seated Repeated Knee Extensions
        • CKC Seated Repeated Knee Extensions
        • Heel Slides
        • CKC DF with Tibial IR
      • Foot and Ankle >
        • Calf Raises
        • Calf Raises with Soccer Ball Between Medial Malleoli
        • Towel Scrunches with Foot in PF
        • Toe Flexion Using T-Band with Foot in PF
        • PF with Toes Flexed Using T-Band
        • DF with Toes Flexed Using T-Band
        • Forefoot Adduction
        • Gastroc Stretch
        • Repeated PF
      • Examination Templates