Intramuscular pressures during exercise Comparison of measurements with and without infusion

Our objective was to compare two techniques for measuring intramuscular pressures during dynamic exercise. In 20 volunteers muscle contraction and relaxation pressures were recorded with a noninfusion method (slit catheter) and with a microcapillary infusion method (Myopress catheter). Relaxation pr...

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Veröffentlicht in:Acta orthopaedica 1989, Vol.60 (5), p.593-596
Hauptverfasser: Styf, Jorma R., Crenshaw, Albert, Hargens, Alan R.
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container_title Acta orthopaedica
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creator Styf, Jorma R.
Crenshaw, Albert
Hargens, Alan R.
description Our objective was to compare two techniques for measuring intramuscular pressures during dynamic exercise. In 20 volunteers muscle contraction and relaxation pressures were recorded with a noninfusion method (slit catheter) and with a microcapillary infusion method (Myopress catheter). Relaxation pressures measured by noninfusion were higher than those measured by infusion. The dynamic properties of the infusion method were higher as compared with the noninfusion method. The dynamic properties of the noninfusion method increased when microcapillary infusion was connected. This resulted in a lower recording of the muscle-relaxation pressure than without infusion. We concluded that the microcapiliary infusion technique and the design of the lip of the Myopress catheter are better suited for pressure recordings during exercise.
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In 20 volunteers muscle contraction and relaxation pressures were recorded with a noninfusion method (slit catheter) and with a microcapillary infusion method (Myopress catheter). Relaxation pressures measured by noninfusion were higher than those measured by infusion. The dynamic properties of the infusion method were higher as compared with the noninfusion method. The dynamic properties of the noninfusion method increased when microcapillary infusion was connected. This resulted in a lower recording of the muscle-relaxation pressure than without infusion. We concluded that the microcapiliary infusion technique and the design of the lip of the Myopress catheter are better suited for pressure recordings during exercise.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Biological and medical sciences</subject><subject>Catheterization</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. 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Psychology</topic><topic>Humans</topic><topic>Male</topic><topic>Manometry - methods</topic><topic>Middle Aged</topic><topic>Muscle Contraction - physiology</topic><topic>Muscles - physiology</topic><topic>Pain - etiology</topic><topic>Periostitis - physiopathology</topic><topic>Physical Exertion - physiology</topic><topic>Pressure</topic><topic>Space life sciences</topic><topic>Striated muscle. 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subjects Adolescent
Adult
Biological and medical sciences
Catheterization
Female
Fundamental and applied biological sciences. Psychology
Humans
Male
Manometry - methods
Middle Aged
Muscle Contraction - physiology
Muscles - physiology
Pain - etiology
Periostitis - physiopathology
Physical Exertion - physiology
Pressure
Space life sciences
Striated muscle. Tendons
Vertebrates: osteoarticular system, musculoskeletal system
title Intramuscular pressures during exercise Comparison of measurements with and without infusion
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