Bilateral patellar tendon rupture is a rare entity, often associated with systemic diseases. We report the case of a 67-year-old man with bilateral ruptures of the patellar tendons caused by minor trauma and with a good functional end result.
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Background: Quadriceps dysfunction is ubiquitous after anterior cruciate ligament (ACL) reconstruction (ACLR). Addressing quadriceps dysfunction is crucial to improve function, reduce the reinjury risk, and maintain long-term knee health. While deficits specific to the quadriceps are well documented, less is known about the effect of an ACL injury on other lower extremity muscle groups.
View Article and Find Full Text PDFAm J Sports Med
January 2025
Inova Sports Medicine, Fairfax, Virginia, USA.
Background: Asymmetric landing kinetics 6 months after anterior cruciate ligament reconstruction (ACLR) are associated with higher risk of second anterior cruciate ligament injury. Little is known about landing kinetics after ACLR with an all-soft tissue quadriceps tendon (QT) autograft despite its increasingly common use in young, active patients.
Purpose/hypothesis: The purpose of this study was to compare landing kinetics during a bilateral drop vertical jump (DVJ) 6 months after ACLR in participants who had undergone primary ACLR with a QT or bone-patellar tendon-bone (BTB) autograft.
J Orthop Res
January 2025
Department of Physical Therapy and Rehabilitation Science, University of California, San Francisco, California, USA.
The role of the infrapatellar fat pad (IPFP) in knee osteoarthritis is not understood. This study aimed to identify relationships between MRI-based signal abnormalities in the IPFP and measures of structural pathology and symptom severity in PFJOA, as well as investigate the influence of obesity and sex on these relationships. Seventy participants (ages 28-80) with isolated PFJOA underwent bilateral knee MRI scan acquisitions and completed the Knee Injury and Osteoarthritis Outcome Score (KOOS).
View Article and Find Full Text PDFKnee Surg Sports Traumatol Arthrosc
January 2025
Sports Medicine Service, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China.
Purpose: To propose a new sign of patellar maltracking in recurrent patellar dislocation (RPD) and compare the differences in lower limb rotational and bony structural abnormalities among the different signs.
Patients And Methods: A retrospective study included 279 patients (mean age: 22 years; female: 81%) who underwent primary surgery for RPD over the past 4 years was performed. The patients were grouped based on the characteristics of patellar tracking: low-, moderate- and high-grade J-sign.
Br J Sports Med
January 2025
Department of Physical Medicine & Rehabilitation and Orthopaedics, The University of Utah School of Medicine, Salt Lake City, Utah, USA.
Objectives: Tendinopathy and fasciopathy are common conditions that can result in time-loss injury in athletes. This study aimed to determine if preseason sonographic abnormalities of the patellar tendon, Achilles tendon and plantar fascia are associated with future time-loss injuries in collegiate athletes.
Methods: National Collegiate Athletic Association Division I athletes from three institutions participated in this 3-year prospective, observational study.
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