小孩子争强好胜,经常掰手腕比手劲。其实,这非常不利于儿童的身体发育。儿童四肢各关节的关节囊比较松弛,坚固性较差,加之骨骼还没有完全骨化,易在外界各种不良因素的影响下发生变形。如长时间用一 Vigorous and aggressive children often arm wrestling than hand. In fact, this is very detrimental to children’s physical development. Joints and joints of children’s limbs more relaxed, poor firmness, combined with the skeleton has not completely ossified, easily under the influence of various adverse factors outside the deformation. For a long time with one