Acute Responses to Forearm Compression of Blood Lactate Accumulation, Heart Rate, Perceived Exertion, and Muscle Pain in Elite Climbers

作者：Engel Florian Azad^*; Sperlich Billy; Stoecker Urs; Wolf Peter; Schoeffl Volker; Donath Lars

来源：Frontiers in Physiology, 2018, 9: 605.

DOI：10.3389/fphys.2018.00605

• acute response
• climbing
• compression garments
• clothing
• external pressure

Objectives: To evaluate the immediate responses to forearm compression of blood lactate concentration, heart rate, perceived exertion and local forearm muscle pain during severe climbing in elite climbers.
Method: Seven elite climbers (18 +/- 2 years; 164 +/- 5 cm; 57.8 +/- 5.3 kg) performed 3 x 3 climbing bouts with maximal intensity on a distinct 8 m boulder wall (lead grade: 7a-8b) in a single blinded, placebo-controlled cross-over design, wearing either forearm sleeves with compression (verum-compression) or placebo forearm sleeves with no compression (falsum-compression). Each climber's heart rate was recorded during and capillary blood lactate concentration, perceived exertion and forearm muscle pain were assessed directly after climbing.
Result: Heart rate (p = 0.45, eta(2)(p) = 0.12), blood lactate concentrations (p = 0.44, eta(2)(p)= 0.10), perceived exertion levels (p = 0.51, eta(2)(p) = 0.08) and pain perception (p = 0.67, eta(2)(p) = 0.03) were not affected by forearm compression. No condition x time interaction effect (compression x time) occurred for heart rate (p = 0.66, eta(2)(p) = 0.04), blood lactate concentration (p = 0.70, eta(2)(p) = 0.02), perceived exertion (p = 0.20, eta(2)(p) = 0.26) and pain perception (p = 0.62, eta(2)(p) = 0.04).
Conclusion: In elite climbers performing severe climbing bouts, sleeves with forearm compression do not alter blood lactate concentration, heart rate, perceived exertion and local forearm muscle pain.

• 出版日期2018-5-23