推荐回答(1个)
盘腿坐与拖拉脚 长期盘腿而坐可诱发“腓总神经麻痹”,俗称“拖拉脚”。腓总神经是小腿前外侧肌肉的运动神经,也是小腿和足背的主要感觉神经,因其有一段位置表浅,缺乏保护,下面又紧贴坚硬的骨头,因此极易受到损伤。当长时间的盘腿而坐及下蹲劳动时,使膝关节过度屈曲,腓总神经经常受牵拉,神经被压于较硬的腓骨上面,容易损伤,这种姿势可造成下肢的血液循环不良,也可使神经缺血而损伤。 以臂代枕与腕下垂 桡神经是臂丛神经的分支,它的体表位置相当于中臂中段靠内侧,此处桡神经缺乏保护。以臂代枕时,桡神经被紧压在坚硬的肱骨上,上下夹击,导致神经损伤。此外,有的病人睡眠时上肢垂下,压在坚硬的床沿上,也会诱发此病。桡神经损伤后的典型表现是腕下垂,手背屈困难,手背有部分感觉障碍区。
托腮与爪形手 尺神经麻痹的病因与长时间托腮有关。尺神经在肘后,位置表浅又紧贴着壁。托腮时肘部压在较硬的桌面上,尺神经遭受夹击,久而久之容易造成神经损伤,特别是身体瘦弱者更容易发生。尺神经损伤后,使无名指、小指关节不能弯曲,拇指不能内收,小鱼际肌(俗称“小手肚子”)、手指外侧、小指及半个无名指皮肤感觉丧失,严重时由于手骨间肌的瘫痪、萎缩而形成“爪形手”。
综上所述,神经损伤的原因形形色色,不良姿势可造成神经损伤,日常生活中应注意预防,切莫大意。 足部运动
足部肌肉运动可以借脚趾的弯曲进行,如用脚趾夹小石头,小玩具或左右摆动双脚,都可以达到运动足部肌肉的目的。怀孕时因体重增加,往往使腿部和足弓处受到很大的压力,因此,应该随时注意足部的运动,以增强肌肉力量,维持身体平衡。
1腿部运动�
站在地上,以手轻扶椅背,双腿交替作360度旋转。这种运动可以增强骨盆肌肉的力量和会阴部肌肉的弹性,以利分娩。
每日早晚各做5-6次,可从怀孕开始坚持到末期。
2.腰部运动�
双手扶椅背,在慢慢吸气的同时使身体的重心集中在双手上,脚尖立起,抬高身体,腰部挺直,使下腹部靠住椅背,然后慢慢呼气,手臂放松,脚还原。
每日早晚各做5-6次,可减少腰部的酸痛,还可以增强腹肌力量和会阴部肌肉弹力,使分娩顺利。
3. 肩胛部与肘关节的运动
盘腿而坐,肘部弯曲,手指扶在肩上,两上臂保持一条直线,然后将手指向外伸展,再放松肘关节。此运动不但可以减轻背痛,而且能强壮胸部及乳房部肌肉。
在怀孕的任何阶段都可以做。
4.双腿高抬运动
仰卧床上,双腿高抬,脚抵住墙。此姿势可以伸展脊椎骨和臀部肌肉,并促进下肢血液循环。
每日数次,每次3-5分钟。妊娠的任何阶段都可以做。
5. 下蹲运动和骨盆肌肉运动
双脚平行分开,距离46-61厘米,上身挺直慢慢下蹲。在妊娠晚期身体过重时,可斜靠在床上,做伸缩双腿的动作。这两种动作使身体重心集中在骨盆的底部,可以加强骨盆肌肉的力量,借以保持身体的平衡,在妊娠期间做此练习还有助于分娩。
6.产道肌肉收缩运动
运动前先排空小便。姿势不拘,站、坐、卧皆可。利用腹肌的收缩,使尿道口和肛门处的肌肉向上提,以增强会阴部与阴道肌腱的弹性,有利于避免分娩时大小便失禁,减少生产时的撕裂伤。
怀孕的任何阶段皆可练习。
7.大腿肌肉伸展运动
仰卧,一只腿伸直一腿稍屈,伸直的腿利用脚趾的收缩紧缩大腿、臂部和肛门的肌肉,然后放松。两腿交替练习,每日反复10次。利用大腿部肌肉的收缩,可减轻小腿和脚的疲劳、麻痹和抽筋。
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