Effect of White Willow Bark on Delayed Onset Muscle Soreness Following Resistance Training: A Pilot Study

OBJECTIVES Delayed onset muscle soreness (DOMS) is discomfort that occurs within 8-24hrs following an unaccustomed bout of physical activity that peaks within 24-27hrs and slowly resolves on its own. White willow bark (WWB) is a nutritional supplement that is believed to have anti-inflammatory and a...

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Autores principales:	Brandie Cai Cheshier, Bert Hans Jacobson, Cody Diehl
Formato:	article
Lenguaje:	EN JA KO ZH
Publicado:	Asian Society of Kinesiology 2021
Materias:	delayed onset muscle soreness eccentric exercise nutritional supplements white willow bark Sports GV557-1198.995 Physiology QP1-981
Acceso en línea:	https://doaj.org/article/85aa44b4fad5455391e0247c505ef9b7
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spelling	oai:doaj.org-article:85aa44b4fad5455391e0247c505ef9b72021-11-23T02:04:11ZEffect of White Willow Bark on Delayed Onset Muscle Soreness Following Resistance Training: A Pilot Study2586-55952586-555210.15758/ajk.2021.23.4.40https://doaj.org/article/85aa44b4fad5455391e0247c505ef9b72021-10-01T00:00:00Zhttp://ajkinesiol.org/upload/pdf/ajk-2021-23-4-40.pdfhttps://doaj.org/toc/2586-5595https://doaj.org/toc/2586-5552OBJECTIVES Delayed onset muscle soreness (DOMS) is discomfort that occurs within 8-24hrs following an unaccustomed bout of physical activity that peaks within 24-27hrs and slowly resolves on its own. White willow bark (WWB) is a nutritional supplement that is believed to have anti-inflammatory and analgesic properties like aspirin but without the risk of GI adverse effects. The purpose of this investigation is to determine the effectiveness of WWB on alleviating the symptoms of DOMS following exercise. METHODS Twenty-five individuals volunteered to participate and were randomly assigned to take WWB (798mg salicin) or placebo for 5 days following a lower body resistance training session which consisted of 5X10 lunges at 40% body weight (BW) and 3X fatigue leg press at 75%BW. Test procedures included visual analog scale (VAS), mid-thigh circumference and pressure pain threshold. VAS was measured pre, all five days of the supplementation period and day 6 (post-supplementation). All other variables were measured at pre, immediate, day 3(72hrs), and day 6 (post-supplementation). RESULTS No condition X time interaction was observed (p > 0.05) for any variable. However, VAS scores were lower in the WWB compared to the placebo for all time frames. There was a significant main effect of time for VAS scores indicating muscle soreness for hamstrings (p < 0.001), gluteal (p < 0.001), gastrocnemius (p < 0.001) and quadriceps (p < 0.001). In addition, there was a significant main effect of time for right midthigh pressure pain threshold (p = 0.02), mid-right (p < 0.001) and mid-left (p < 0.001) thigh circumference. CONCLUSIONS WWB may reduce subjective feelings of muscle soreness and appears to have analgesic properties.Brandie Cai CheshierBert Hans JacobsonCody DiehlAsian Society of Kinesiologyarticledelayed onset muscle sorenesseccentric exercisenutritional supplementswhite willow barkSportsGV557-1198.995PhysiologyQP1-981ENJAKOZHThe Asian Journal of Kinesiology, Vol 23, Iss 4, Pp 40-49 (2021)
institution	DOAJ
collection	DOAJ
language	EN JA KO ZH
topic	delayed onset muscle soreness eccentric exercise nutritional supplements white willow bark Sports GV557-1198.995 Physiology QP1-981
spellingShingle	delayed onset muscle soreness eccentric exercise nutritional supplements white willow bark Sports GV557-1198.995 Physiology QP1-981 Brandie Cai Cheshier Bert Hans Jacobson Cody Diehl Effect of White Willow Bark on Delayed Onset Muscle Soreness Following Resistance Training: A Pilot Study
description	OBJECTIVES Delayed onset muscle soreness (DOMS) is discomfort that occurs within 8-24hrs following an unaccustomed bout of physical activity that peaks within 24-27hrs and slowly resolves on its own. White willow bark (WWB) is a nutritional supplement that is believed to have anti-inflammatory and analgesic properties like aspirin but without the risk of GI adverse effects. The purpose of this investigation is to determine the effectiveness of WWB on alleviating the symptoms of DOMS following exercise. METHODS Twenty-five individuals volunteered to participate and were randomly assigned to take WWB (798mg salicin) or placebo for 5 days following a lower body resistance training session which consisted of 5X10 lunges at 40% body weight (BW) and 3X fatigue leg press at 75%BW. Test procedures included visual analog scale (VAS), mid-thigh circumference and pressure pain threshold. VAS was measured pre, all five days of the supplementation period and day 6 (post-supplementation). All other variables were measured at pre, immediate, day 3(72hrs), and day 6 (post-supplementation). RESULTS No condition X time interaction was observed (p > 0.05) for any variable. However, VAS scores were lower in the WWB compared to the placebo for all time frames. There was a significant main effect of time for VAS scores indicating muscle soreness for hamstrings (p < 0.001), gluteal (p < 0.001), gastrocnemius (p < 0.001) and quadriceps (p < 0.001). In addition, there was a significant main effect of time for right midthigh pressure pain threshold (p = 0.02), mid-right (p < 0.001) and mid-left (p < 0.001) thigh circumference. CONCLUSIONS WWB may reduce subjective feelings of muscle soreness and appears to have analgesic properties.
format	article
author	Brandie Cai Cheshier Bert Hans Jacobson Cody Diehl
author_facet	Brandie Cai Cheshier Bert Hans Jacobson Cody Diehl
author_sort	Brandie Cai Cheshier
title	Effect of White Willow Bark on Delayed Onset Muscle Soreness Following Resistance Training: A Pilot Study
title_short	Effect of White Willow Bark on Delayed Onset Muscle Soreness Following Resistance Training: A Pilot Study
title_full	Effect of White Willow Bark on Delayed Onset Muscle Soreness Following Resistance Training: A Pilot Study
title_fullStr	Effect of White Willow Bark on Delayed Onset Muscle Soreness Following Resistance Training: A Pilot Study
title_full_unstemmed	Effect of White Willow Bark on Delayed Onset Muscle Soreness Following Resistance Training: A Pilot Study
title_sort	effect of white willow bark on delayed onset muscle soreness following resistance training: a pilot study
publisher	Asian Society of Kinesiology
publishDate	2021
url	https://doaj.org/article/85aa44b4fad5455391e0247c505ef9b7
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Effect of White Willow Bark on Delayed Onset Muscle Soreness Following Resistance Training: A Pilot Study

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