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保安员徒手擒拿搏斗的实用技法介绍

点击次数:    发布时间:2018-07-05来源:http://www.bzzhongtebao.com
搏斗实用技法髋关节是由髋骨的髋臼与股骨的股骨头构成,在髋臼的周缘有盂唇附着,使关节窝的深度加深,从而加固关节,关节囊厚而坚韧。股骨颈的前面完全在关节囊内,后面有一部分则在关节囊外。由于关节囊的后下方和内下方较薄,又无坚韧的韧带与肌肉加强,因此形成薄弱点,当大腿外展并伴有外旋时或收伴有内旋时,在暴力作用下形成髋关节脱位,即股骨头经此处脱出,造成常见的髋关节后脱位。
The hip joint consists of the acetabulum of the hip bone and the femoral head of the femur. There is a glenoid lip attached to the circumference of the acetabulum to deepen the depth of the articular fossa, thus strengthening the joints and the thick and tough joint capsule. The anterior part of the femoral neck is entirely in the articular capsule, while the posterior part is outside the joint capsule. As the posterior and underneath of the joint capsule is thinner, and no tough ligaments and muscles are strengthened, a weak point is formed. When the thigh is abducted with external rotation or accompanied by internal rotation, the hip dislocation is formed under the action of violence, that is, the femoral head is removed here and causes the common posterior dislocation of the hip joint.
1.髋关节的主要韧带
The main ligaments of the 1. hip joints
(1)髂股韧带:长而坚韧,呈倒置的“V”形,位于关节囊前面,起限制大腿过度后伸的作用。其内侧部限制大腿的外展,外侧部则限制大腿的外展和旋外。
(1) iliac femoral ligament: long and tough, inverted "V" shape, located in front of the joint capsule, which restricts the excessive extension of the thigh. The medial part restricts the abduction of the thigh, while the lateral part restricts the abduction and rotation of the thigh.
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(2)耻股韧带:呈三角形,位于关节囊及髂股韧带的内侧部。此韧带限制大腿外展和旋外运动。
(2) the femoral ligament is triangular, situated in the medial part of the joint capsule and iliac femoral ligament. The ligament limits the outreach and external movement of the thigh.
(3)坐股韧带:较薄,位于关节的后面,限制大腿的内收及旋内运动。
(3) the femoral ligament: thinner, located at the back of the joint, restricting the adduction and internal rotation of the thigh.
2.髋关节的运动特点
The movement characteristics of the 2. hip joints
髋关节是典型的球窝关节,运动本应相当灵活,但为了适应生理的需要,支持人体上身重量,因而其关节窝深、关节囊厚而坚韧,使髋关节的运动幅度(内收、外展、旋内、旋外)受到一定的限制,并使这个关节不很灵活。作为球窝关节(多轴关节),髋关节可沿三个运动轴,做屈、伸、内收、外展、旋转与环转运动。
The hip joint is a typical socket joint. The movement should be quite flexible, but in order to adapt to the physiological needs, it supports the body weight, so its joint fossa is deep, the joint capsule is thick and tough, so that the motion amplitude of the hip joint (adduction, abduction, internal rotation, external rotation) is limited, and the joint is not very flexible. As a ball socket joint (multiaxial joint), the hip joint can move flexion, extension, adduction, abduction, rotation and circular motion along three axes.
(1)髋关节沿额状轴,大腿可做屈伸运动,前屈的运动范围为1140,屈膝时大腿前屈的范围大,殷前部可达腹前壁;伸膝时,由于股后部肌肉紧张而受到限制,大腿只能前屈80。。因受髂股韧带等的限制,大腿后伸运动范围只有32。。
(1) the hip joint along the frontal axis, the thighs can be flexion and extension movement, the motion range of the forward flexion is 1140, the range of the thigh flexion at the knee is the largest, the front of the Yin can reach the anterior abdominal wall; when the knee is stretched, the muscle tension in the posterior part of the femoral head is restricted, and the thighs can only be flexed 80. Due to the limitation of iliac ligament, the extension of the thigh is only 32.
(2)髋关节沿矢状轴,大腿可做内收与外展运动。因内收时受髂股韧带和关节囊上部等的限制,外展时受耻股韧带及髂股韧带内侧部的限制,所以大腿运动范围较小,只有朽。。其内收运动的范围,与大腿的伸屈有关,大腿前屈时运动范围增加,大腿后伸时运动范围减小。
(2) the hip joint can be adduced and abduced along the sagittal axis and thigh. Due to the restriction of the iliac ligament and the upper part of the joint capsule, the adduction is limited by the disgraced ligament and the medial part of the iliac ligament, so the range of the thigh movement is small and only immortal. The range of adduction movement is related to the extensor and flexion of the thigh. When the thigh is flexion, the range of motion increases and the range of motion decreases when the thigh is extended.
(3)髋关节沿垂直轴,大腿可做旋内和旋外运动,因受韧带与关节囊的限制,旋内运动范围很小,只有100-15。,旋外运动的范围比旋内稍大,也只有35。
(3) the hip joint moves along the vertical axis, and the thigh can rotate in and out of the hip. Due to the limitation of ligament and joint capsule, the range of internal rotation is very small, only 100-15. The range of external rotation is slightly larger than that of internal rotation, which is only 35.
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