Patellar fatigue fractures

Mason, RW; Moore, Timothy E.; Cw, Walker; Mh, Kathol; Ehara, Shôzô

doi:10.1016/s1076-6332(96)80161-9

Cited by 9 publications

(10 citation statements)

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“…Stress response with no fracture may be managed with a period of rest until symptom free, with gradual return to activity [43]. Incomplete or nondisplaced fractures also can be managed nonoperatively with extension immobilization with partial weight bearing for 4‐6 weeks, and gradual return to activity [41,43,47]. If conservative management fails, surgical intervention is warranted.…”

Section: High‐risk Stress Fracturesmentioning

confidence: 99%

High‐Risk Stress Fractures: Diagnosis and Management

McInnis

Ramey

2016

PM&R

109

101

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Stress fractures are common overuse injuries in athletes. They occur during periods of increased training without adequate rest, disrupting normal bone reparative mechanisms. There are a host of intrinsic and extrinsic factors, including biochemical and biomechanical, that put athletes at risk. In most stress fractures, the diagnosis is primarily clinical, with imaging indicated at times, and management focused on symptom-free relative rest with advancement of activity as tolerated. Overall, stress fractures in athletes have an excellent prognosis for return to sport, with little risk of complication. There is a subset of injuries that have a greater risk of fracture progression, delayed healing, and nonunion and are generally more challenging to treat with nonoperative care. Specific locations of high-risk stress fracture include the femoral neck (tension side), patella, anterior tibia, medial malleolus, talus, tarsal navicular, proximal fifth metatarsal, and great toe sesamoids. These sites share a characteristic region of high tensile load and low blood flow. High-risk stress fractures require a more aggressive approach to evaluation, with imaging often necessary, to confirm early and accurate diagnosis and initiate immediate treatment. Treatment consists of nonweight-bearing immobilization, often with a prolonged period away from sport, and a more methodic and careful reintroduction to athletic activity. These stress fractures may require surgical intervention. A high index of suspicion is essential to avoid delayed diagnosis and optimize outcomes in this subset of stress fractures.

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Section: High‐risk Stress Fracturesmentioning

confidence: 99%

High‐Risk Stress Fractures: Diagnosis and Management

McInnis

Ramey

2016

PM&R

109

101

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“…An insufficient ability of the vastus medialis muscle to stabilize the patella as result of fatigue may expose structures of the knee to abnormal loading during exercise and may partly explain why soreness, weakness and patellar fatigue fracture are common after intensive fatiguing contractions (Mason et al, 1996). Eccentric exercise also impairs reflex activity in the quadriceps which may contribute to compromised knee stability during perturbations thereby leaving structures of the knee more vulnerable to injury (Hedayatpour et al, 2011).…”

Section: Consequences For Training and Sportmentioning

confidence: 99%

Non-uniform muscle adaptations to eccentric exercise and the implications for training and sport

Hedayatpour

Falla

2012

Journal of Electromyography and Kinesiology

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“…They generally involve the skeletally immature knee especially in children participating in sports that require vigorous extension of the knee [29]. Adult patients may also suffer fatigue avulsion fractures involving the superior pole of the patella [30].…”

Section: Bipartite Patella and Multipartite Patellamentioning

confidence: 99%

“…Fragmentations and avulsion fractures of the superior pole of the patella are usually evident on conventional radiographs and may not require further imaging [28,29,30]; however, there may be a role for MR imaging if chronic healing or non-displaced fractures are suspected (Fig. 9).…”

Section: Bipartite Patella and Multipartite Patellamentioning

confidence: 99%

Avulsion fractures and chronic avulsion injuries of the knee: role of MR imaging

et al. 2002

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Avulsion fractures and chronic avulsion injuries of the knee are common lesions in sports-related trauma, especially among adolescents. Magnetic resonance imaging may prove useful in detecting and characterizing such lesions, and has several advantages with regard to other imaging modalities. We review, illustrate, and discuss the MR imaging features of some of the more frequent avulsion fractures and chronic avulsion injuries of the knee, including avulsion fractures of the cruciate ligaments, avulsion fractures of lateral and medial stabilizers, avulsion fractures and chronic avulsion injuries of the extensor mechanism, and avulsive cortical irregularities of the distal femur. The role of MR imaging in evaluating such lesions is emphasized.

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Patellar fatigue fractures

Cited by 9 publications

References 0 publications

High‐Risk Stress Fractures: Diagnosis and Management

High‐Risk Stress Fractures: Diagnosis and Management

Non-uniform muscle adaptations to eccentric exercise and the implications for training and sport

Avulsion fractures and chronic avulsion injuries of the knee: role of MR imaging

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