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The derived measures include the (mid-)upper arm muscle area ((M)UAMA), the (mid-)upper arm fat area ((M)UAFA), and the arm fat index. Although they are not directly convertible into measures of overall body fat weight and density, and research has questioned the connection between skinfold fat and deep body fat measurements, these measures are ...
Tensiomyography (TMG) is a measuring method for detection of skeletal muscles' contractile properties. [1] Tensiomyography assesses muscle mechanical response based on radial muscle belly displacement induced by a single electrical stimulus. [2] It is performed using the TMG S2 system.
The parallel muscle architecture is found in muscles where the fibers are parallel to the force-generating axis. [1] These muscles are often used for fast or extensive movements and can be measured by the anatomical cross-sectional area (ACSA). [3] Parallel muscles can be further defined into three main categories: strap, fusiform, or fan-shaped.
A better estimate is provided by the total area of the cross-sections perpendicular to the muscle fibers (green lines in figure 1). This measure is known as the physiological cross-sectional area (PCSA), and is commonly calculated and defined by the following formula, developed in 1975 by Alexander and Vernon: [4] [5] [6]
Anisotropy tends to be shown either as a graph plotting resistance, reactance, or phase as a function of angle with respect to the direction of muscle fibers or as a ratio of transverse (perpendicular to fibers) measurement to longitudinal measurement (parallel to muscle fibers) of a given impedance factor.
Many anatomical terms can be combined, either to indicate a position in two axes simultaneously or to indicate the direction of a movement relative to the body. For example, "anterolateral" indicates a position that is both anterior and lateral to the body axis (such as the bulk of the pectoralis major muscle).
The annular shape of the LV wall will change and become thicker (radial strain) with a smaller inner circle (circumferential strain). In a normal heart, the circumferential strain or positives negative as measured from end-diastole. Note that: Strain has a sign: A contraction of a muscle fiber yields a negative strain measurement along the ...
Measuring the list of a ship in still water and the roll in rough water. Measuring steepness of a ski slope. Measuring the orientation of planes and lineations in rocks, in combination with a compass, in structural geology. Measuring range of motion in the joints of the body [4] Measuring the inclination angle of the pelvis. Numerous neck and ...