Abstract: A swing analysis method includes acquiring measurement data measured by an inertial sensor in a swing motion with a golf club, and calculating torque data indicating a temporal change of a torque exerted on the golf club by analyzing the measurement data using a head speed coordination system having a first axis including a speed vector of a head of the golf club, a second axis being orthogonal to the first axis and extending along a shaft of the golf club, and a third axis orthogonal to both the first axis and the second axis.

Abstract: A swing analysis method includes acquiring measurement data measured by an inertial sensor in a swing motion with a golf club, and calculating torque data indicating a temporal change of a torque exerted on the golf club by analyzing the measurement data using a head speed coordination system having a first axis including a speed vector of a head of the gold club, a second axis being orthogonal to the first axis and extending along a shaft of the golf club, and a third axis orthogonal to both the first axis and the second axis.

Abstract: A motion analysis apparatus includes a swing width analysis unit that specifies a swing width from a first position to a second position on a swing trajectory on the basis of coordinates of a swing position of an exercise appliance which are acquired by using an output signal from an inertial sensor in a calculation processing circuit.

Abstract: A swing diagnosis method includes a procedure of calculating levels of a plurality of items including a first item regarding at least one of a backswing and a downswing, and a second item regarding impact on the basis of data regarding a swing, and a procedure of outputting information regarding the levels of the plurality of items.

Abstract: A motion analysis method includes calculating a change in an amount of inertia of a region attached with an inertial sensor during a swing using an output of the inertial sensor, and identifying a maximum value of the amount of inertia during the swing to compare the maximum value and the amount of inertia at an impact with each other. A deceleration timing during the swing of the region (the grip of the sporting equipment) attached with the inertial sensor is identified, and the quality of the swing can be evaluated.

Abstract: A swing diagnosis apparatus includes a level calculation section that calculates a level on the basis of a relationship between a rotation angle about a rotation axis of an exercise appliance at a predetermined timing between the time of starting a backswing and the time of impact with a longitudinal direction of the exercise appliance as the rotation axis, and an inclination of a ball hitting portion of the exercise appliance at impact.

Abstract: A diagnosis server includes a storing section configured to store exercise data of respective users and diagnosis criteria of respective customers and a processing section configured to perform diagnosis on the basis of exercise data of a user designated from a terminal of a customer among the exercise data of the respective users and diagnosis criteria of the customer among the diagnosis criteria of the respective customers and provide the terminal of the customer with a diagnosis result.

Abstract: A swing diagnosis apparatus includes a level calculation section that calculates a level on the basis of a relationship between an incidence angle of a ball hitting portion of an exercise appliance at impact, and an inclination of the ball hitting portion of the exercise appliance at impact.

Abstract: An electronic apparatus includes a processor that calculates identification data indicating a region in which a ball hitting portion of an exercise appliance is included at each of a plurality of timings during a swing of the exercise appliance, of a plurality of regions to which the identification data is allocated in advance, and displays the identification data to a user.

Abstract: A swing diagnosis method includes a procedure of performing diagnosis of a plurality of items including a first item regarding at least one of a backswing and a downswing, and a second item regarding impact on the basis of data regarding a swing, and a procedure of outputting diagnosis information on the basis of the plurality of items.

Abstract: A display method includes acquiring first attitude information of the hands of a subject holding an exercise equipment during standing still on the basis of an output from an inertial sensor (sensor unit) which measures a swing action of the subject (user) performing a swing with the exercise equipment (golf club) and is attached to at least one of the exercise equipment and the subject, acquiring second attitude information of the hands of the subject holding the exercise equipment at impact on the basis of an output from the inertial sensor, and displaying at least one of the first attitude information and the second attitude information.

Abstract: A swing diagnosis apparatus includes a level calculator that calculates a level based on the relationship among at least one imaginary plane, the position of a hitting section of a sport gear at a first timing during a backswing, and the position of the hitting section at a second timing during a downswing.

Abstract: A motion analysis apparatus includes an impact analysis unit that specifies a hitting direction of an exercise appliance during impact and a speed of the exercise appliance during the impact by using an output signal from an inertial sensor, and a display unit that displays the hitting direction and the speed in a coordinate system in which a hitting target direction is set.

Abstract: A data processing method in a motion analysis system including a storage region (information processing device) storing motion data of a user and position information related to the motion data, includes acquiring position information of the user, searching for past motion data in a predetermined position range from the acquired position information, and outputting advice information on the basis of the past motion data.

Abstract: A motion analysis method includes: specifying plural operations included in a motion operation using an output from an inertial sensor; calculating an operating time of each of the plural operations; adjusting a time axis of each operating time; and outputting operation information of the operation based on the adjusted time axis.

Abstract: A display method includes generating first analysis information on the basis of a plurality of pieces of data related to a plurality of swings, output from an inertial sensor which is attached to a user or an exercise appliance swung by the user and measures the plurality of swings performed by the user, generating a first region image including a plurality of time-series region images on the basis of the first analysis information, and displaying the plurality of time-series region images in a coordinate system having at least two indexes as axes.

Abstract: A display method includes generating first analysis information on the basis of a plurality of pieces of data related to a plurality of swings, output from an inertial sensor which is attached to a user or an exercise appliance swung by the user and measures the plurality of swings performed by the user, estimating respective ball arrival positions corresponding to the plurality of swings on the basis of the first analysis information, and displaying a first region image in a coordinate system having at least two indexes as axes on the basis of the respective ball arrival positions.

Abstract: A display method includes generating first analysis information related to at least one of a ball shooting direction and a ball curving form swing on the basis of a plurality of pieces of data related to a plurality of swings, output from an inertial sensor which is attached to a user or an exercise appliance swung by the user and measures the plurality of swings performed by the user, and generating a first region image on the basis of the first analysis information, in which the first region image includes a plurality of time-series region images, and the plurality of time-series region images are displayed in a coordinate system having at least two indexes as axes.

Abstract: A golf swing analysis apparatus detects a state of a shaft of a golf club by using an output from an inertial sensor, calculates a relative rotation angle of the shaft which changes about an axis of the shaft until the shaft transitions from a first state to a second state due to a swing of the shaft, and compares the calculated relative rotation angle with a reference relative rotation angle in a reference swing which is used as a reference, with respect to at least one of a change range of the relative rotation angle, the required time from the first state to a state in which the relative rotation angle becomes the maximum, and the maximum value of the relative rotation angle, and outputs a comparison result.

Abstract: A display method includes acquiring first attitude information of the hands of a subject holding an exercise equipment during standing still on the basis of an output from an inertial sensor (sensor unit) which measures a swing action of the subject (user) performing a swing with the exercise equipment (golf club) and is attached to at least one of the exercise equipment and the subject, acquiring second attitude information of the hands of the subject holding the exercise equipment at impact on the basis of an output from the inertial sensor, and displaying at least one of the first attitude information and the second attitude information.