Heart Rate Response and Lactic Acid Concentration in Squash Players

1978 ◽  
Vol 49 (4) ◽  
pp. 406-412 ◽  
Author(s):  
Paula Beaudin ◽  
Chuck Zapiec ◽  
David Montgomery
Keyword(s):  
Heart Rate ◽  
Lactic Acid ◽  
Acid Concentration ◽  
Heart Rate Response ◽  
Lactic Acid Concentration

The Effect of Step Tempo Type on Heart Rate and Blood Lactic Acid Concentration during Forest Slope Trekking

2021 ◽  
Vol 19 (3) ◽  
pp. 385-393
Author(s):  
Jo-Eun Kim ◽  
◽  
Ki-hong Kim ◽  
Jun-Won Min ◽  
Jeong-Bin Yu ◽  
...  
Keyword(s):  
Heart Rate ◽  
Lactic Acid ◽  
Acid Concentration ◽  
Lactic Acid Concentration

Heart rate and blood lactic acid concentration during experimental diving of water snakes

1962 ◽  
Vol 202 (6) ◽  
pp. 1163-1165 ◽  
Author(s):  
H. V. Murdaugh ◽  
Joseph E. Jackson
Keyword(s):  
Heart Rate ◽  
Lactic Acid ◽  
Acid Concentration ◽  
Lactic Acid Concentration ◽  
Water Snake ◽  
Water Snakes ◽  
Constrictor Response

Bradycardia in response to submersion occurs in Natrix sipedon and Natrix cyclopion. Atropine will prevent this diving bradycardia. Blood lactic acid concentration does not increase during submersion, indicating the presence of an arterial constrictor response in these species of water snake. The diving phenomenon of the water snake appears similar to the diving phenomenon of the seal in that both diving bradycardia and arterial constrictor response occur.

Post-Mortem Diagnosis of Hypoxia by Means of Brain Lactic Acid Concentration

1958 ◽  
Vol 192 (3) ◽  
pp. 577-580 ◽  
Author(s):  
Donald D. Van Fossan ◽  
Robert T. Clark
Keyword(s):  
Lactic Acid ◽  
Acid Concentration ◽  
Oxygen Deficiency ◽  
Postmortem Brain ◽  
Post Mortem ◽  
Lactic Acid Concentration ◽  
Altitude Exposure ◽  
Post Mortem Brain ◽  
Exposure Levels ◽  
The Brain

Simulated altitude exposure elevates the postmortem brain lactic acid concentration up to 98 mg/100 gm above controls depending on species used, duration, and intensity of exposure. The sharp difference in post-mortem brain lactic acid concentration between altitude exposed animals and controls remains demonstrable for the longest postmortem intervals studied (20 hr. in the dog, 30 hr. in the rabbit, and 6 hr. in the rat). Upon recovery from altitude exposure the brain lactic acid and/or precursors return toward pre-exposure levels in accordance with first order reaction kinetics during the first few minutes. The velocity constant is .32 and the half-life is 2.2 minutes. Elevated post-mortem brain lactic acid concentration is a constant finding in animals which were hypoxic at the time of death and appears to be a suitable criterion for establishing ante-mortem altitude exposure or other physiologically similar oxygen deficiency situations.

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