ACUTE EFFECT OF ISOMETRIC MID-THIGH PULLS ON POSTACTIVATION POTENTIATION DURING STRETCH-SHORTENING CYCLE AND NON-STRETCH-SHORTENING CYCLE VERTICAL JUMPS
Journal Title: Medicina Sportiva - Year 2013, Vol 17, Issue 1
Abstract
Introduction: There is research to support the contention that isometric exercise can lead to an acute augmentation in subsequent explosive exercise performance, in a phenomenon termed postactivation potentiation (PAP). Objective: To investigate the impact of the isometric mid-thigh pull (IMTP) exercise on peak power (PP) and jump height (JH) during stretch-shortening cycle (SSC) and non-SSC vertical jumps. Methods: Following informed consent, eighteen resistance trained males (age 21.1 ± 3.8 years, height 180.4 ± 6.2 cm, and body mass 86.8 ± 13.3 kg) performed three testing conditions on separate days. Baseline: Countermovement jump (CMJ) and squat jump (SJ) JH and PP were assessed using a Myotest Pro accelerometer device. IMTP+4: CMJ and SJ JH and PP were measured 4 minutes after the IMTP. IMTP+8: CMJ and SJ JH and PP were measured 8 minutes after the IMTP. Results: There was a significant increase in SJ PP in both IMTP+4 and IMTP+8 conditions compared to baseline (both P < 0.05). SJ JH was not significantly different in IMTP+4 and IMTP+8 compared to baseline (both P ˃ 0.05). CMJ PP and JH were not significantly different between conditions (all P ˃ 0.05). Conclusions: These results suggest than an IMTP resulted in an acute augmentation in SJ PP after both 4 and 8 min¬utes, while CMJ performance was not significantly affected by the same protocol. Thus, an IMTP PAP protocol may acutely enhance short-term power output in non-SSC vertical jumps, but not in SSC vertical jumps.
Authors and Affiliations
Gareth Sapstead, Michael Duncan
Keywords
Related Articles
- EP ID EP74201
- DOI 10.5604/17342260.1041878
- Views 131
- Downloads 0
RELATIONSHIP BETWEEN BODY COMPOSITION AND 100-M RUNNING TIME IN AN ELITE FEMALE SPRINTER: A 7-YEAR RETROSPECTIVE STUDY
Aim of the study: To report on the relationship between body composition and 100-m running time in an elite female sprinter using 7 years of data. Methods: The subject was a 3-time participant in the Track and Field Worl...
COMPARISON OF AEROBIC CAPACITY AND SOMATIC CHARACTERISTICS BETWEEN COMPETITIVE YOUTH MOUNTAIN BIKERS AND ROAD CYCLISTS
Objective: To compare the anthropometric characteristics of mountain bicycle riders (MTB) and road cyclists and identify the somatic variables that affect aerobic capacity.Methods: 100 males aged 16–18 years involved in...
REHABILITATION OF WOMEN WITH A HISTORY OF MYOCARDIAL INFARCT
Objective: To assess the effectiveness of cardiac rehabilitation on physical capacity and heart function in post-myocardial infarction women and to compare it to the results of rehabilitation in a group of post-infractio...
DEAD MEN HIKING: CASE STUDIES FROM THE AMERICAN WILDERNESS
Hiking is a popular outdoor sport activity and one of the fastest growing outdoor activities in the United States. Compared to other activities such as mountain climbing and rock climbing, the risks associated with hikin...
EFFECTS OF CHROMIUM PICOLINATE SUPPLEMENTATION ON BODY COMPOSITION IN IN-SEASON DIVISION I INTERCOLLEGIATE FEMALE SWIMMERS
Introduction: Chromium (Cr) supplementation has received anecdotal support for enhancing body composition. With this in mind, few studies have reported the effects of Cr supplementation in female athletes during a full c...