Abstract: A method of producing an exercise weight structure comprises mixing a particulate material with a binder material and molding the resulting mixture to an appropriate shape. An outer skin for the exercise weight structure is firstly formed of a resilient material, and forms a mold into which an inner weight section or body is molded or cast. The inner weight section and the outer skin are both formed of recycled material and include a common binder material.

Abstract: A system for balance training exercise comprises a rigid balance board having a substantially planar top surface. First and second rails are positioned on a bottom surface of the balance board, substantially opposite each other. A nose cap is positioned on a front end of the balance board. A tail cap is positioned on a rear end of the balance board. A bottom surface of the first and second rails, the nose cap, and the tail cap are substantially co-planar. A nose stop is positioned on the nose cap and a tail stop is positioned on the tail cap, wherein the nose and tail stops extend beyond the bottom surface of the nose and tail caps, respectively. A balance device is removably positioned in contact with the bottom surface of the balance board or the bottom surface of the first and second rail, the nose cap, and the tail cap.

Abstract: A treadmill is capable of performing a gait analysis and comprises a conveyor belt, a supporting plate, a driving mechanism, and at least two sensing assemblies. The conveyor belt is used for a user to walk or run in place. The driving mechanism drives the conveyor belt to run. The supporting plate supports the conveyor belt. The two sensing assemblies are fixed with the supporting plate, for respectively sensing the user's left and right heel strike. A left and right pulse diagram thus can be obtained from the sensing assemblies, and the gait analysis is performed according to the left and right pulse diagram.

Abstract: The syringe (S) comprises a body (K) forming a liquid reservoir, carrying a needle (A) for injecting the liquid, and having a plunger (P) movably mounted in the body (K). The body (K) is housed in a safety sheath (1) to be axially movable between an active position in which the needle (A) projects through a distal end of the sheath (1) and a protection position in which the needle (A) is retracted inside the sheath (1) and towards which position the body (K) is urged resiliently. The body (K) is prevented from moving relative to the sheath in the active position by locking means (6) that opposite the resilient force on the body, and that are releasable by means (8) which are activated when the plunger (P) is in an end-of-liquid-injection position.