Physiological Cross Sectional Area
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Gm acsa was measured at 25 50 and 75 of muscle length lm from which vol was calculated.
Physiological cross sectional area. Mostly in mathematical modelling of muscle strength by marras and granata this term pcsa has been used. Thus it is more realistic to measure the muscle physiological cross sectional area pcsa which is an indicator of muscle force from dead carnivorans. There are many studies that focus on masticatory muscle pcsa measurements 1 2 3 6 9 10 11 13 19 20 21 22 27 29 30 31 32 33 39 40 41 42 43 44 45 46 47 54 55.
What would be the difference in their mechanical properties. Will match the formatting of related article titles. I would like to know how do we find the physiological cross sectional area of a muscle.
The aim of this st. Muscle physiology physiologic cross sectional areas suppose that two muscles had identical fiber lengths and pennation angles but one muscle had twice the mass equivalent to saying that one muscle had twice the number of fibers and thus twice the pcsa. As a consequence of the greater number of sarcomeres arranged in parallel in a pennate muscle its physiological cross sectional area the cross sectional area taken perpendicular to its fibers rather than the entire muscle is usually greater than that of a parallel fiber muscle and the muscle will effectively develop a greater force per gram of tissue.
In vivo physiological cross sectional area pcsa and specific force ff pcsa of the lateral head of the gastrocnemius gl muscle were assessed in a group of elderly men em aged 73 8 yr sd 3 5 height 173 4 cm sd 4 4 weight 78 4 kg sd 8 3. Nonetheless none of the previous studies focused on the relationship between the masticatory muscle pcsa and the temporomandibular joint structure. Physiological cross sectional area physiological cross sectional area cross section is hyphenated in the major dictionaries.
Extensor carpi radialis longus ecrl and brevis ecrb are used in muscle transfers. Gm anatomical cross sectional area acsa volume vol physiological cross sectional area pcsa fascicle length lf and pennation angle θ were assessed using b mode ultrasonography. Architectural parameters and physiological cross sectional area pcsa are important determinants of muscle function.
M t 08 53 13 october 2011 utc. However their regional architectural differences have not been investigated. It is typically used to describe the contraction properties of pennate muscles.
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