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http://hdl.handle.net/1942/18954
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DC Field | Value | Language |
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dc.contributor.author | Camillo, Carlos Augusto | - |
dc.contributor.author | BURTIN, Chris | - |
dc.contributor.author | Hornikx, Miek | - |
dc.contributor.author | Demeyer, Heleen | - |
dc.contributor.author | De Bent, Kristien | - |
dc.contributor.author | van Remoortel, Hans | - |
dc.contributor.author | Osadnik, Christian R. | - |
dc.contributor.author | JANSSENS, Wim | - |
dc.contributor.author | Troosters, Thierry | - |
dc.date.accessioned | 2015-06-12T10:51:46Z | - |
dc.date.available | 2015-06-12T10:51:46Z | - |
dc.date.issued | 2015 | - |
dc.identifier.citation | CHRONIC RESPIRATORY DISEASE, 12 (2), p. 155-164 | - |
dc.identifier.issn | 1479-9723 | - |
dc.identifier.uri | http://hdl.handle.net/1942/18954 | - |
dc.description.abstract | Skeletal muscle quadriceps low-frequency fatigue (LFF) during exercise promotes improvements in exercise capacity with exercise training. In healthy subjects, eccentric muscle work induced by downhill walking (DW) generates higher muscular stress, whilst metabolic cost is lower compared to level walking (LW). We investigated quadriceps LFF and metabolic cost of DW in patients with chronic obstructive pulmonary disease. Ten participants (67 +/- 7 years, FEV1 51 +/- 15% predicted) performed DW, DW carrying a load (DWL) of 10% body weight via vest and LW, in random order. Quadriceps potentiated twitch force (TWqpot) was assessed before and after each walk, and muscle damage was assessed before and 24 hours after each walk via serum creatine kinase (CK) levels. Ventilation (VE) and oxygen consumption (VO2) were measured via breath-by-breath analysis during each walk. DW and DWL resulted in a greater decrease in TWqpot (-30 +/- 14 N in DW, p < 0.05; and -22 +/- 16 N in DWL, p < 0.05) compared to LW (-3 +/- 21 N, p > 0.05). CK levels only increased 24 hours following DW and DWL (p < 0.05). DW and DWL showed lower VE and VO2 than LW (p < 0.05). DW is associated with enhanced quadriceps LFF and lower cardiorespiratory costs than LW. The addition of a chest load to DW does not seem to enhance these effects. | - |
dc.description.sponsorship | This work was supported by the Flemish Research Foundation (G.0871.13) and PROactive IMI-JU (115011). CAC is funded by The National Council for Scientific and Technological Development (CNPq), Brazil (202425/2011-8). CO is the recipient of a European Respiratory Society Fellowship (LTRF 2014 - 3132). | - |
dc.language.iso | en | - |
dc.publisher | SAGE PUBLICATIONS LTD | - |
dc.rights | © The Author(s) 2015. Reprints and permission: sagepub.co.uk/journalsPermissions.nav | - |
dc.subject.other | pulmonary disease; chronic obstructive; downhill walking; exercise; fatigue; cardiorespiratory costs | - |
dc.subject.other | Pulmonary disease; chronic obstructive; downhill walking; exercise; fatigue; cardiorespiratory costs | - |
dc.title | Physiological responses during downhill walking: A new exercise modality for subjects with chronic obstructive pulmonary disease? | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 164 | - |
dc.identifier.issue | 2 | - |
dc.identifier.spage | 155 | - |
dc.identifier.volume | 12 | - |
local.format.pages | 10 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | [Camillo, Carlos Augusto; Burtin, Chris; Hornikx, Miek; Demeyer, Heleen; van Remoortel, Hans; Osadnik, Christian R.; Troosters, Thierry] Katholieke Univ Leuven, Dept Rehabil Sci, Leuven, Belgium. [Burtin, Chris] Hasselt Univ, Rehabil Res Ctr, Biomed Res Inst, Fac Med & Life Sci, Diepenbeek, Belgium. [De Bent, Kristien; Janssens, Wim; Troosters, Thierry] Univ Hosp Leuven, Resp Div & Rehabil, Leuven, Belgium. [Osadnik, Christian R.] Monash Univ, Dept Physiotherapy, Clayton, Vic 3800, Australia. [Osadnik, Christian R.] Inst Breathing & Sleep, Melbourne, Vic, Australia.Corresponding author: Thierry Troosters, Herestraat 49 bus 706, Onderwijs & Navorsing I, Labo Pneumologie, B-3000 Leuven, Belgium. Email: thierry.troosters@med.kuleuven.be | - |
local.publisher.place | LONDON | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.identifier.doi | 10.1177/1479972315575717 | - |
dc.identifier.isi | 000353979800009 | - |
item.contributor | Camillo, Carlos Augusto | - |
item.contributor | BURTIN, Chris | - |
item.contributor | Hornikx, Miek | - |
item.contributor | Demeyer, Heleen | - |
item.contributor | De Bent, Kristien | - |
item.contributor | van Remoortel, Hans | - |
item.contributor | Osadnik, Christian R. | - |
item.contributor | JANSSENS, Wim | - |
item.contributor | Troosters, Thierry | - |
item.validation | ecoom 2016 | - |
item.fullcitation | Camillo, Carlos Augusto; BURTIN, Chris; Hornikx, Miek; Demeyer, Heleen; De Bent, Kristien; van Remoortel, Hans; Osadnik, Christian R.; JANSSENS, Wim & Troosters, Thierry (2015) Physiological responses during downhill walking: A new exercise modality for subjects with chronic obstructive pulmonary disease?. In: CHRONIC RESPIRATORY DISEASE, 12 (2), p. 155-164. | - |
item.accessRights | Restricted Access | - |
item.fulltext | With Fulltext | - |
crisitem.journal.issn | 1479-9723 | - |
crisitem.journal.eissn | 1479-9731 | - |
Appears in Collections: | Research publications |
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