If parents find that their children's heels do not touch the ground when they walk, they should pay attention to this as it is an abnormal condition. Of course, when the child has just learned to walk, it is not pathological and do not intervene too much. Generally, the condition will gradually improve. However, if it does not improve for a long time, it may be caused by joint bending. In addition, parents should also be alert to this disease caused by heel spasms. Why does the child walk without touching the ground? Pathological mechanism Connective tissue is a special tissue that connects all cells, tissues and organs of the body into a whole. Because of its certain hardness and toughness, it not only plays the role of adhesion, connection, support and load-bearing in the body, but also has many functions such as defense, protection, nutrition and repair. The main component of connective tissue is collagen fiber. Collagen fibers are mostly in bundles, may be branched, and may be intertwined with each other. They are characterized by high toughness and strong tensile strength, but lack of elasticity. Around the joints there are both dense and elastic ligaments, as well as loose connective tissue that is loose, elastic and highly mobile. When the joint is fixed and braked, the ligaments will automatically shorten and lose their elasticity due to lack of tension. Loose connective tissue will undergo proliferative changes under conditions of joint fixation, local edema and poor circulation, trauma and inflammation. The collagen content increases and the density increases to become a denser connective tissue, which restricts joint movement and causes contracture.Clinical manifestations: Joint contracture occurs rapidly in patients, beginning within 1 week after the onset of the disease. Its early manifestations include obvious resistance to passive movement and/or pain at the maximum range of joint motion. As the contracture worsens, the range of joint motion gradually decreases. Achilles tendon contracture often manifests as cuspidatum deformity. The inability of the ankle joint to reach 0° dorsiflexion when the knee joint is extended manifests as severe walking impairment. In severe cases, walking is difficult even with the use of lower limb orthoses. |
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