Validation of video analysis of marker-less barbell auto-tracking in weightlifting.

We determined the marker-less barbell auto-tracking accuracy using the Kanade-Lucas-Tomasi (KLT) algorithm in a digital video for two-dimensional analysis (2D-AT). The position coordinates of the barbell's right end during multiple loads (60%-90% of one-repetition maximum) of snatch motion in eight participants were recorded using a three-dimensional motion capture system. Simultaneously, the snatch motion was recorded by a digital camera from the right side.

Biomechanical comparison of successful snatch and unsuccessful frontward barbell drop in world-class male weightlifters.

This study aimed to clarify the success factor of snatch based on barbell trajectory and lifter's motion among elite male weightlifters. Motion analysis of snatch was conducted using digital videos recorded at the 2015 World Weightlifting Championships. Data on successful and unsuccessful snatch lifts of 22 lifters, each using the same weights, were analysed; the unsuccessful lift was due to a frontward barbell drop.

First Report of Environmental Isolation of Exophiala spp. in Malaysia.

The opportunistic pathogen Exophiala dermatitidis has been frequently isolated from tropical regions of the world. However, there is no report of environmental isolation of Exophiala spp. from Malaysia.

Characteristics of the Shrug Motion and Trapezius Muscle Activity During the Power Clean.

Nagao, H and Ishii, Y. Characteristics of the shrug motion and trapezius muscle activity during the power clean. J Strength Cond Res 35(12): 3288-3295, 2021-Although the shrug motion and trapezius muscle activity are commonly considered as important in Olympic weightlifting exercises, there are no data on the shrug motion in Olympic weightlifting.

Selection of inactivation medium for fungal spores in clinical wastes by supercritical carbon dioxide.

The present study aimed to select the best medium for inactivation of Aspergillus fumigatus, Aspergillus spp. in section Nigri, A. niger, A.

Glucosamine-containing supplement improves locomotor functions in subjects with knee pain - a pilot study of gait analysis.

Background: Previously, we demonstrated that glucosamine-containing supplementation was effective for improving locomotor functions, especially walking speed. However, the biomechanical mechanism of efficacy has not been elucidated. This study aimed to address this challenge in subjects with knee pain, using a motion capture system.

The genus Thecotheus (Pezizales) in Australia: T. urinamans sp. nov. from urea-treated jarrah (Eucalyptus marginata) forest.

The genus Thecotheus is reported in Australia for the first time. A new species, Thecotheus urinamans is described and illustrated and included in a key to all known species of the genus. Critical macro- and micromorphological comparisons are presented to distinguish the new species from several closely related species, particularly the widespread fungus Thecotheus crustaceus.

Genetic, morphological, and virulence characterization of the entomopathogenic fungus Verticillium lecanii.

In order to clarify relationships among genetic diversity, virulence, and other characteristics of conidia, 46 isolates of Verticillium lecanii from various hosts and geographical locations were examined. The internal transcribed spacer (ITS) and intergenic spacer (IGS) regions of ribosomal DNA (rDNA), mitochondrial small subunit rDNA (mt-SrDNA) and beta-tubulin were analyzed by PCR-RFLP. PCR-single stranded conformational polymorphism (SSCP) was performed on regions of the mitochondrial large subunit rDNA, mt-SrDNA, beta-tubulin and histone 4.