ORCID Profile
0000-0002-2013-1652
Current Organisations
Edith Cowan University
,
Università degli Studi di Padova
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Publisher: Elsevier BV
Date: 07-2023
Publisher: Springer Science and Business Media LLC
Date: 08-05-2021
Publisher: Informa UK Limited
Date: 08-06-2023
Publisher: Springer Science and Business Media LLC
Date: 28-04-2021
Publisher: Springer Science and Business Media LLC
Date: 04-10-2021
Publisher: Canadian Science Publishing
Date: 09-2018
Abstract: A beverage containing protein (PRO) and carbohydrate (CHO) may have an ergogenic effect on endurance performance. However, evidence regarding its efficacy on similar conditions to athletes’ race day is still lacking. The objective of this study was to compare the effects of 3 different nutritional supplementation strategies on performance and muscle recovery in a duathlon protocol. Thirteen male athletes (29.7 ± 7.7 years) participated in 3 simulated Olympic-distance duathlon trials (SDTs) under 3 different, randomly assigned supplementation regimens: CHO drink (75 g CHO), isocaloric CHO plus PRO drink (60.5 g CHO and 14.5 g PRO), and placebo drink (PLA). Supplements were offered during the cycling bout. Blood s les were collected before, immediately after, and 24 h after each SDT for creatine kinase (CK) analysis. Isometric peak torque (PT) was measured before and 24 h after each SDT. The primary outcome measure was the time to complete the 5-km running section (t 5km ) at a self-selected pace. There was no difference in t 5km between CHO (1270.3 ± 130.5 s), CHO+PRO (1267.2 ± 138.9 s), and PLA (1275.4 ± 120 s) p = 0.87, effect size (ES) ≤ 0.1. Pre–post changes for PT and CK were not significant for any of the 3 conditions (PT: p = 0.24, ES ≤ 0.4 CK: p = 0.32, ES = 0.3–1.04). For endurance sports lasting up to 2 h, with a pre-exercise meal containing CHO at 1.5 g·kg −1 , supplementation with CHO or CHO+PRO does not offer additional benefits for performance and muscle recovery when compared with PLA.
Publisher: Elsevier BV
Date: 09-2018
DOI: 10.1016/J.EXGER.2018.04.015
Abstract: The aim of this study was to compare the effects of 12 weeks of muscle power training using one- and three-sets on neuromuscular adaptations in elderly women. Twenty six healthy elderly women were randomly assigned into two groups: one-set (n = 13) and three-sets (n = 13). Maximal dynamic and isometric strength, rapid force assessed as absolute and normalized rate of force development (RTD) and contractile impulse during unilateral leg knee extension at 0-50 and 0-200 ms, overall quadriceps muscle thickness, muscle power during a countermovement jump (CMJ), and functional performance using time-up-and-go and the timed stair climb tests were evaluated before and after training. After 12 weeks, one-set and three-sets groups exhibited significant (p ≤ 0.05) and comparable increases in dynamic and isometric strength, absolute RTD and contractile impulse at 0-50 and at 0-200 ms and in the performance of both functional tests. No significant differences between groups were evident for any measured parameters (p > 0.05). Furthermore, the normalized RTD did not increase for any group (p > 0.05). Over 12 weeks, the muscle power training performing one- or three-sets induced alike improvements in muscle function, mass and functionally. These evidences suggest that a low training volume is able to induce significant improvements in age-related neuromuscular changes.
Publisher: Ovid Technologies (Wolters Kluwer Health)
Date: 06-08-2022
DOI: 10.1249/MSS.0000000000003015
Abstract: Biceps femoris long-head fascicle length ( L f ), fascicle angle (FA), and muscle thickness (MT) estimates obtained across 2 d from extended field-of-view (EFOV) sonographic images were compared with those measured from a collage of single ultrasound images (to visualize entire fascicles) as well as a range of geometric equations and extrapolation methods used on single images. Both test validity and intraday reliability were determined. Twenty healthy adults (10 men and 10 women) were tested on two occasions (day 1 and day 2), 7 d apart at the same time of day for test–retest measurements. Ultrasound imaging was performed using EFOV and static image acquisition sequences in the latter, four single images were acquired in-series along the muscle. From these images, L f was assessed using seven methods: EFOV, collage, manual linear extrapolation, and four different trigonometric equations (termed equations A, B, C, and D), and FA and MT were measured in EFOV, collage, and single images. L f , FA, and MT measured on days 1 and 2 were not different ( P 0.05) for any method, reliabilities were very high (intraclass correlation coefficient, 0.91–0.98), and correlations were strong (≥0.84). Significant correlations ( P 0.05 r = 0.67–0.98) were found between EFOV and the other measurement techniques for L f , FA, and MT. The collage method had the highest reliability for L f , and highest rank order and correlation with EFOV. Although the six different techniques used to estimate L f provided values similar to EFOV, higher between-subject measurement variability was observed with trigonometric equations, and the collage method described herein provided the most accurate and reliable results and is therefore recommended for biceps femoris long-head architectural analysis when EFOV is not available.
Publisher: Springer Science and Business Media LLC
Date: 29-10-2017
Publisher: Springer Science and Business Media LLC
Date: 10-05-2019
DOI: 10.1007/S00421-019-04159-W
Abstract: The aim of the present study was to evaluate the effects of 6 weeks of a constant-angle hamstring muscle flexibility training on muscle-tendon stiffness and the range of motion (ROM) in young men with limited hamstring ROM. 13 participants performed unilateral stretching training (EL), while the contralateral limb acted as control (CL). ROM, relative and peak passive torque, passive stiffness, dynamic knee flexion strength, and active optimum joint angle were assessed before and after the last training session. In addition, participants were tested during the first and last training sessions for first stretch sensation during the stretching procedure only in the EL. Straight-leg raise and isokinetic knee ROM tests (both p 0.05) were observed. At the point of first stretch sensation, significant increases in passive torque (p = 0.004) and angle (p < 0.001) were found from pre- to post-training. The flexibility training induced significant increases in ROM alongside increases in peak passive torque (stretch tolerance) and the ROM at which stretch was first perceived. However, this occurred without changes in muscle-tendon mechanical properties or transfer to the untrained limb (CL). These results suggest that limb-specific ROM increases were underpinned by neural adaptations.
Publisher: Elsevier BV
Date: 11-2020
Publisher: Ovid Technologies (Wolters Kluwer Health)
Date: 08-2017
DOI: 10.1519/JSC.0000000000001562
Abstract: Baroni, BM, Pompermayer, MG, Cini, A, Peruzzolo, AS, Radaelli, R, Brusco, CM, and Pinto, RS. Full range of motion induces greater muscle damage than partial range of motion in elbow flexion exercise with free weights. J Strength Cond Res 31(8): 2223–2230, 2017—Load and range of motion (ROM) applied in resistance training (RT) affect the muscle damage magnitude and the recovery time-course. Because exercises performed with partial ROM allow a higher load compared with those with full ROM, this study investigated the acute effect of a traditional RT exercise using full ROM or partial ROM on muscle damage markers. Fourteen healthy men performed 4 sets of 10 concentric-eccentric repetitions of unilateral elbow flexion on the Scott bench. Arms were randomly assigned to partial-ROM (50–100°) and full-ROM (0–130°) conditions, and load was determined as 80% of 1 repetition maximum (1RM) in the full- and partial-ROM tests. Muscle damage markers were assessed preexercise, immediately, and 24, 48, and 72 hours after exercise. Primary outcomes were peak torque, muscle soreness during palpation and elbow extension, arm circumference, and joint ROM. The load lifted in the partial-ROM condition (1RM = 19.1 ± 3.0 kg) was 40 ± 18% higher compared with the full-ROM condition (1RM = 13.7 ± 2.2 kg). Seventy-two hours after exercise, the full-ROM condition led to significant higher soreness sensation during elbow extension (1.3–4.1 cm vs. 1.0–1.9 cm) and smaller ROM values (97.5–106.1° vs. 103.6–115.7°). Peak torque, soreness from palpation, and arm circumference were statistically similar between conditions, although mean values in all time points of these outcomes have suggested more expressive muscle damage for the full-ROM condition. In conclusion, elbow flexion exercise with full ROM seems to induce greater muscle damage than partial-ROM exercises, even though higher absolute load was achieved with partial ROM.
Publisher: Wiley
Date: 08-03-2018
DOI: 10.1111/SMS.13068
Abstract: Adaptations to 6 weeks of supervised hamstring stretching training and its potential impact on symptoms of eccentric exercise-induced muscle damage (EIMD) were studied in 10 young, untrained men with limited hamstrings flexibility. Participants performed unilateral flexibility training (experimental leg EL) on an isokinetic dynamometer, while the contralateral limb acted as control (CL). Hip range of motion (ROM), passive, isometric, and concentric torques, active optimum angle, and biceps femoris and semitendinosus muscle thickness and ultrasound echo intensity were assessed both before and after the training. Additionally, muscle soreness was assessed before and after an acute eccentric exercise bout in both legs (EL and CL) at post-training only. Hip ROM increased (P .05) in other criterion measurements were observed. After a bout of eccentric exercise at the end of the program, isometric and dynamic peak torques and muscle soreness ratings were significantly altered at all time points equally in EL and CL. Also, active optimum angle was reduced immediately, 48 and 72 hours post-exercise, and hip ROM was reduced at 48 and 72 hours equally in EL and CL. Finally, biceps femoris muscle thickness was significantly increased at all time points, and semitendinosus thickness and echo intensity significantly increased at 72 hours, with no significant differences between legs. The stretching training protocol significantly increased hip ROM however, it did not induce a protective effect on EIMD in men with tight hamstrings.
Publisher: Informa UK Limited
Date: 14-03-2019
DOI: 10.1080/10641963.2019.1590386
Abstract: The aim of the present study was to evaluate the effects of 12 weeks of muscle power training (MPT) on casual blood pressure (BP) (before and after each training session) and resting BP (pre- and post-training program) in type 2 diabetes mellitus (T2DM) elderly.
Publisher: Elsevier BV
Date: 12-2019
DOI: 10.1016/J.EXGER.2019.110745
Abstract: The present study compared the effects of 12 weeks of muscle power training performing one or three sets on muscle quality assessed by echo intensity (MQ
No related grants have been discovered for Clarissa Müller Brusco.