Matching between motoneurone and muscle unit properties in rat medial gastrocnemius.
نویسندگان
چکیده
منابع مشابه
Motor Unit Number Estimation in Normal and Parkinsonism Model of Medial Gastrocnemius Muscle in Rats
Motor units (MUs) reflect the function of the central nervous motor system. Thus, the estimated MU number is a good option to investigate the functional movement disorder in the Parkinson’s disease (PD). The purpose of this study was to compare the estimated MUs number in the medial gastrocnemius (MG) muscle of the normal rats and those with the Parkinsonism. The MG muscle of two age-matche...
متن کاملDifferences between properties of male and female motor units in the rat medial gastrocnemius muscle.
Differences between motor units in hindlimb locomotor muscles of male and female Wistar rats were studied. The contractile and action potential properties of various types of motor units as well as proportions of these units in the medial gastrocnemius muscle were analyzed. Experiments were based on functional isolation and electrical stimulation of axons of single motor units. Composition of m...
متن کاملmotor unit number estimation in normal and parkinsonism model of medial gastrocnemius muscle in rats
motor units (mus) reflect the function of the central nervous motor system. thus, the estimated mu number is a good option to investigate the functional movement disorder in the parkinson’s disease (pd). the purpose of this study was to compare the estimated mus number in the medial gastrocnemius (mg) muscle of the normal rats and those with the parkinsonism. the mg muscle of two age-matched gr...
متن کاملWithin- and between-session reliability of medial gastrocnemius architectural properties
This study aimed to determine the within- and between-session reliability of medial gastrocnemius (MG) architecture (e.g. muscle thickness (MT), fascicle length (FL) and pennation angle (PA)), as derived via ultrasonography followed by manual digitization. A single rater recorded three ultrasound images of the relaxed MG muscle belly for both legs of 16 resistance trained males, who were positi...
متن کاملPURIFICATION AND PROPERTIES OF RAT GASTROCNEMIUS MUSCLE N-ACETYL-I3-DGLUCOSAMINIDASE A AND B.
N-acetyl-B-D-Glucosaminidase was purified by affinity and ionexchange chromatography. Two major, A and B, and three minor intermediate forms were isolated and characterized. NAG-A and NAG-B were purified 440 and 1200 fold with final yields of 16 and 23 percent respectively. Each activity was represented by a single protein band. After 70 min preincubation at 55°C a loss of70% activity of N...
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ژورنال
عنوان ژورنال: The Journal of Physiology
سال: 1993
ISSN: 0022-3751
DOI: 10.1113/jphysiol.1993.sp019596