Abstract: A system can include a first device mounted to a wrist strap that includes wireless communication circuitry, sensor circuitry, and circuitry that determines hand grip information based at least in part on information output by the sensor circuitry; and a second device mounted to a waist strap that includes wireless communication circuitry, sensor circuitry, and circuitry that determines posture information based at least in part on information output by the sensor circuitry. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed.

Abstract: A watch includes a wrist band and a housing mounted to the wrist band where the housing includes a wrist side and an opposing side, a pliable domed shape pressure plate that extends outwardly from the wrist side of the housing to contact a palm side of a wrist and that responds to movements of muscles and tendons in the wrist that correspond to varying grip pressures applied by a hand extending from the wrist, a battery, memory, circuitry powered by the battery to convert responses of the pliable domed shape pressure plate to digital data, and circuitry powered by the battery to record the digital data to the memory.

Abstract: A watch includes a wrist band and a housing mounted to the wrist band where the housing includes a wrist side and an opposing side, a pliable domed shape pressure plate that extends outwardly from the wrist side of the housing to contact a palm side of a wrist and that responds to movements of muscles and tendons in the wrist that correspond to varying grip pressures applied by a hand extending from the wrist, a battery, memory, circuitry powered by the battery to convert responses of the pliable domed shape pressure plate to digital data, and circuitry powered by the battery to record the digital data to the memory.

Abstract: Grip pressure is monitored by a collection of battery powered components embodied in an assembly analogous to an ordinary wrist watch, that is a watch housing or casement and a stretchable band. The system, which we shall refer to as a swing monitor, is worn on the wrist and deployed in such a way that the back of the housing or casement is cinched securely to the back or underside of the wrist. A pressure plate on the back of the watch makes contact with the pulse region of the wrist. The flexing and relaxing of the muscles and tendons of the wearer is read by an electronic pressure sensing device, a piezo sensor. A tighter grip will register greater pressure and a looser grip, less pressure. The device records grip pressure associated with the swing of a golf club, tennis racquest or baseball bat, among other articles of sports equipment meant to be swung. The grip pressure determined to be optimal, that is giving the desired result, can be SAVED in the memory of the swing monitor system.

Abstract: A swing monitoring system in the form of a wrist mounted unit which includes multi-function instrumentation with extremely high degrees of precision that monitors a plurality of critical components of the swing of a golf club, tennis racquet, baseball bat hockey stick or the like. In particular, motion sensors that discriminate finite changes in the timing and speed of the swing are disposed in a housing mounted on a wrist bank analogous to a common wrist watch or timepiece. In addition, sensors are disposed in the wrist strap for detecting changes in grip pressure during the act of swinging any of the above mentioned equipment. The detected parameters are displayed on a LCD which is part of the instrumentation. Desired parameters can be saved in memory and the components of subsequent swing are compared to those saved, and if they are different, an audible alarm or signal is activated.