The participants performed seven common asanas: crescent lunge, triangle, warrior 1, warrior 2(all double leg poses), eagle, half-moon and tree (all single-leg poses)(
Force platform
A force platform is a sensitive instrument that measures the forces exerted by an object or individual upon a surface. It is designed to accurately record the magnitude and direction of these forces, providing valuable data for various applications.
19 protocols using force platform
Kinematic Analysis of Yoga Asanas
Gait Biomechanics Under Orthotic Conditions
Waist-Pull Perturbation Protocol for Balance
Simultaneous Kinetic and Kinematic Analysis
Gait Kinematics and Kinetics Analysis
Measuring Dynamic Valgus in MCL Injury
Dynamic valgus was defined as the position or motion, measured in 3 dimensions, of the distal femur toward and distal tibia away from the midline of the body.
Multi-Modal Kinetic Assessment Protocol
A Baiobit sensor, comprising a triaxial accelerometer with multiple sensitivity levels (±2, ±4, ±8, and ±16 g); a 13-bit triaxial magnetometer (±1200 µT); and a triaxial gyroscope with multiple sensitivity levels (±250, ±500, ±1000, and ±2000°/s), manufactured by Rivelo Srl—BTS bioengineering Group, Milan, Italy. The Baiobit sensor works with an accelerometer frequency bandwidth ranging from 4 to 1000 Hz, a gyroscope bandwidth ranging from 4 to 8000 Hz, a magnetometer bandwidth up to 100 Hz, and sensor fusion up to 200 Hz. The Baiobit sensor has inter-instrument correlation coefficient ranging between 0.90 and 0.99, and an intra-instrument coefficient of variation of ≤2.5%, making it suitable for the assessment of physical activity with the same technical specifications of G-WALK (BTS Bioengineering, Garbagnate, Italy) [16 (link),17 (link),18 (link)].
Two three-dimensional AMTI force platforms (dimensions: 464 × 508 × 82.5 mm; AMTI, Wetertown, MA, USA, sampling rate = 200 Hz).
An optoelectronic system composed by an eight-infrared camera (BTS Bioengineering, Garbagnate, Italy).
Lower Extremity Gait Analysis Workflow
Motion Capture and Force Data Protocol
Evaluating Dynamic and Static Balance
The dynamic balance will be assessed with participants standing on a force platform (AMTI, Watertown, MA, USA) with feet shoulder-width apart and arms stabilized at the hip. Participants will be asked to shift their weight anteriorly and posteriorly, and then laterally to the right and left sides as far as possible while retaining their balance. The tasks will be performed repeatedly over a period of 20 s, whereby participants shift their weight in all directions during that time period. The total path length, path length along the medial-lateral as well as anterior-posterior axis, maximal range of sway in the anterior-posterior as well as medial-lateral direction, and velocity along the medial-lateral as well as anterior-posterior axis will be assessed. The center of pressure measurements has been deemed valid and reliable in testing balance in older adults.[14 (link)]
Static balance
The static balance will be measured during a two-legged stance with participants standing on the force platform shoulder-width apart with eyes closed for 30 s. Participants will also perform a one-legged stance with eyes open for 30 s. Three trials for each condition will be performed and the center of pressure will be recorded. To understand the pattern of movement, movement range and length of path will be analyzed and a multifractal analysis will be performed.[15 (link)]
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