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This study investigated the accuracy of phantom volume and length measurements and the reliability of in vivo Achilles tendon (AT) volume, length and cross-sectional area measurements obtained using freehand 3-D ultrasound. Participants (n = 13) were scanned on consecutive days under active and passive loading conditions. In vivo AT length was evaluated(More)
STUDY DESIGN Controlled laboratory study, using a repeated-measures, counterbalanced design. OBJECTIVES To provide estimates on the average knee angle maintained, absolute knee angle error, and total repetitions performed during 2 versions of the heel raise test. BACKGROUND The heel raise test is performed in knee extension (EHRT) to assess(More)
OBJECTIVE To investigate the effectiveness of a physiotherapy-based exercise program versus dexamethasone injection for chronic plantar fasciopathy in workers standing for prolonged periods of time. DESIGN A parallel group nonblinded randomized controlled trial with 12-week follow-up. SETTING An outpatient sports medicine clinic in Vancouver, British(More)
The intensity of research to study the functioning of the human foot and the body-weight loading impact on its performance has increased considerably in the last five years. This type of research is particularly important for injured or deformed foot. Low-cost HD video cameras are becoming popular for capturing accurate three-dimensional (3D) model of the(More)
This study used subject-specific measures of three-dimensional (3D) free Achilles tendon geometry in conjunction with a finite element method to investigate the effect of variation in subject-specific geometry and subject-specific material properties on tendon stress during submaximal isometric loading. Achilles tendons of eight participants (Aged(More)
Numerous static measurement methods have been developed to aid with the clinical evaluation of the dynamic foot posture. Although some of these methods provided high measurement reliability and validity, there is limited research correlating the static measurements with the dynamic foot measurements during activities such as gait. To explore whether the(More)
Current clinical foot posture assessment techniques rely on anthropometric measures of landmarks on the foot which can derive information regarding foot posture and foot problems. It has been identified that there is a source of error in these anthropometric measurements as a result of subjects having to maintain their weight bearing while balancing their(More)
We can visualize tendons better than ever before. Medical imaging today provides increasingly higher-resolution images, enabling larger fields of view that allow clinicians and researchers to more precisely characterize tendon structure. Yet, does seeing a patient's tendon provide any meaningful benefit to our clinical reasoning, and will it make a(More)
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