肌肉的近端叫origin,远端叫insertion。肌肉的舒张将两端的骨骼拉近。骨骼的几何形状通常近似为多段线(polyline),它起始于肌肉的origin,然后经过一系列的watpoints,最后终止于insertion。 多段线相对于直线可以更好的近似肌肉在origin和insertion之间的长度。waypoint的位置通过linear blending skinning(LBS)函数近似: \tag{...
当肌肉收缩时,肌腹变短,以关节为运动轴,牵引骨发生位移而产生运动。肌肉收缩时,固定不动的一端为起点(origin),引起骨移动的一端为止点(insertion)。起止点的另一种描述为:靠近身体的一端为起点,远离身体的一端的则为止点。 心肌(cardiacmuscle) 心肌是高度专一、强壮、有横纹的肌肉,并且能够耐疲劳。在马的一生...
Noun1.musculus biceps femoris- the biceps muscle of the thigh; it flexes the knee and rotates the leg laterally femoral biceps thigh- the part of the leg between the hip and the knee biceps- any skeletal muscle having two origins (but especially the muscle that flexes the forearm) ...
Origin Superior pubic ramus (pectineal line of pubis) Insertion Pectineal line of femur, linea aspera of femur Action Hip joint: Thigh flexion, thigh adduction, thigh external rotation, thigh internal rotation; pelvis stabilization Innervation Femoral nerve (L2, L3) (Obturator nerve (L2, L3)) ...
While Gantzer muscles have been commonly reported, many studies neglect to report the innervation of the muscle and its relationship with nearby nerves. This study assessed 40 forearms from 20 cadaveric specimens to determine the prevalence of the origin and insertion of the Gantzer muscle. ...
Origin Superficial part: Tuberosity of maxilla, Pyramidal process of palatine bone Deep part: Medial surface of lateral pterygoid plate of sphenoid bone Insertion Medial surface of ramus and angle of mandible Action Bilateral contraction - Elevates and protrudes mandible Unilateral contraction - Medial...
This action is thought to cause compression of the nerve at the spinoglenoid notch because the eccentric contraction of the muscle increases the distance between the nerve’s origin and insertion point, causing a traction injury along the spine of the scapula. Athletes usually present with ...
When the E-1 electrode is located directly over a current sink, the instrument's trace moves in the negative direction. The action potential induced in the muscle tissue then propagates in opposite directions toward the muscle's origin and insertion (Fig. 2-22B). Two negative sinks, ...
Its origin is the medial side of the orbit and the insertion is the path that circles the orbit. The nerve responsible for it is the facial nerve or cranial nerve VII [1]. Orbicularis oculi is not attached to any bones on the lateral side that is why when you close your eyelids, they...
aAn extremely conscientious man, but to is small indulges extremely. 一个非常尽责的人,但是是小的非常纵容。[translate] aBy shortening the muscle's site of origin and insertion, bony mal-alignments can be corrected.[translate]