A buoyancy-based cervical traction system has a floatation and a head rest supported by the flotation system. The head rest is adapted to support a person's head above the neck and apply traction to the neck when the person is in a body of liquid. The system has a position adjustment system adapted to allow selective adjustment of the position at which the person's head rest will be relative to an upper surface of the liquid when the person and the cervical traction system are in the liquid, the person's head is supported by the head rest, and the cervical traction system and person are floating in the liquid at equilibrium.

A buoyancy-based cervical traction system has a floatation and a head rest supported by the flotation system. The head rest is adapted to support a person's head above the neck and apply traction to the neck when the person is in a body of liquid. The system has a position adjustment system adapted to allow selective adjustment of the position at which the person's head rest will be relative to an upper surface of the liquid when the person and the cervical traction system are in the liquid, the person's head is supported by the head rest, and the cervical traction system and person are floating in the liquid at equilibrium.

A system for formulating a performance metric of a motion such as water sport motion, preferable a swimming stroke, includes a wearable sensor device including 4 pressure sensors, a 9 degrees of freedom inertial measurement unit (IMU), a micro-processor communicating with the pressure sensors and the IMU, and waterproof housing in the form of a flexible silicone band to house the microprocessor, the pressure sensors and the IMU. The system includes an external computer communicating with the device for receiving and combining input data from each of the pressure sensors and the IMU, via the microprocessor, and a processing unit configured to combine the input data from both the at least one pressure sensor and the IMU. The input data is used to infer at least one force magnitude and at least one force direction, the input data being used to provide the performance metric of the water sport motion.

A system for formulating a performance metric of a motion such as water sport motion, preferable a swimming stroke, includes a wearable sensor device including 4 pressure sensors, a 9 degrees of freedom inertial measurement unit (IMU), a micro-processor communicating with the pressure sensors and the IMU, and waterproof housing in the form of a flexible silicone band to house the microprocessor, the pressure sensors and the IMU. The system includes an external computer communicating with the device for receiving and combining input data from each of the pressure sensors and the IMU, via the microprocessor, and a processing unit configured to combine the input data from both the at least one pressure sensor and the IMU. The input data is used to infer at least one force magnitude and at least one force direction, the input data being used to provide the performance metric of the water sport motion.

An aquatic exercise device and method of use are described herein. The aquatic exercise device provides for a full body, low impact, and decompressing workout that is unattainable by any existing product on the market. The aquatic exercise device features a buoy, a fastening mechanism, a user attachment mechanism, and a bridge connecting the buoy, the fastening mechanism, and the user attachment mechanism.

An aquatic exercise device and method of use are described herein. The aquatic exercise device provides for a full body, low impact, and decompressing workout that is unattainable by any existing product on the market. The aquatic exercise device features a buoy, a fastening mechanism, a user attachment mechanism, and a bridge connecting the buoy, the fastening mechanism, and the user attachment mechanism.

A limb motion measurement device for swimming training includes a sense glove and a sense shoe able to measure and collect the states of moving hands and feet of a swimmer in a training practice, including strength, displacement, velocity, bearing angle, number of times, frequency and time parameters, and to generate a serial of limb motion data of arm stroking and leg kicking motions. These organized and quantified limb motion data can be transmitted outwards to an external computer for the swimmer to study and to produce useful information of more efficient movements and tempos of swimming techniques. Accordingly, the limb motion measurement device for swimming training can be applied to improve swimming techniques in a scientific way.

A swim training apparatus for use on a hand of a swimmer in water during a swimming motion, said training aid apparatus comprising: a plate member having a first surface and an opposed second surface and a leading edge and a trailing edge. The first surface has four straight grooves having a bottom and elevated sides along passing from a base of the first surface adjacent the wrist towards a top of the first surface where fingertips extend, wherein height of the elevated sides is at least 1 mm higher than a lowest point of the bottom of the groove.

A swim training apparatus for use on a hand of a swimmer in water during a swimming motion, said training aid apparatus comprising: a plate member having a first surface and an opposed second surface and a leading edge and a trailing edge. The first surface has four straight grooves having a bottom and elevated sides along passing from a base of the first surface adjacent the wrist towards a top of the first surface where fingertips extend, wherein height of the elevated sides is at least 1 mm higher than a lowest point of the bottom of the groove.

A buoyancy-based cervical traction system has a floatation and a head rest supported by the flotation system. The head rest is adapted to support a person's head above the neck and apply traction to the neck when the person is in a body of liquid. The system has a position adjustment system adapted to allow selective adjustment of the position at which the person's head rest will be relative to an upper surface of the liquid when the person and the cervical traction system are in the liquid, the person's head is supported by the head rest, and the cervical traction system and person are floating in the liquid at equilibrium.