Abstract: A leg-protecting apparatus is arranged in close contact with a body surface of a wearer to cover a thigh, a knee, and a calf of the wearer, including a biomechanically protecting strap arranged to correspond with structural locations and paths of tendons and ligaments of the knee and muscles proximal thereto during an exercise process. The strap comprises a cruciate ligament protecting strap, a patellar tendon protecting strap, a thigh muscle group protecting strap, and a calf muscle group protecting strap. Elastic moduli of the cruciate ligament protecting strap and the patellar tendon protecting strap has a step-change upon a change in a fabric tensile ratio caused by the knee bending of the wearer, wherein the step-change occurs after an initial low tensile modulus stage, during a tensile sudden-change stage, and before a high tensile modulus stage transitioning between the stages as knee angle decreases.

Abstract: A dynamic elastic one-way water-guiding sportswear is formed from a basic cloth. The basic cloth is made from a porous material having capable of dynamically adsorbing and transferring liquid water, and the dynamic transferring and guiding capability for liquid water of the basic cloth is determined based on the stretching ratio of the covered skin. The sportswear comprises an elastic stretchable bands (1_1, 1_2) and a pressure fastening area (2), wherein the elastic stretchable bands (1_1, 1_2) and the pressure fastening area (2) have different mechanics transmission properties. The elastic stretchable bands (1_1, 1_2) are used to provide elastic protection for twisting and stretching driven by the shoulders and legs, and the pressure fastening area (2) is used to fasten and protect the soft tissues of the back and abdomen by providing a pressure thereupon.

Abstract: A leg-protecting apparatus is arranged in close contact with a body surface of a wearer to cover a thigh, a knee, and a calf of the wearer, including a biomechanically protecting strap (A) arranged to correspond with structural locations and paths of tendons and ligaments of the knee and muscles proximal thereto during an exercise process. The strap comprises a cruciate ligament protecting strap (A-1), a patellar tendon protecting strap (A-2), a thigh muscle group protecting strap (A-3), and a calf muscle group protecting strap (A-4). Elastic moduli of the cruciate ligament protecting strap (A-1) and the patellar tendon protecting strap (A-2) has a step-change upon a change in a fabric tensile ratio caused by the knee bending of the wearer, wherein the step-change occurs after an initial low tensile modulus stage, during a tensile sudden-change stage, and before a high tensile modulus stage transitioning between the stages as knee angle decreases.