flexion

• 指关节或肢体弯曲的动作或状态，即减小骨与骨之间角度的运动；常用于解剖学和医学。

A noun referring to a bending movement, the act of decreasing the angle between bones at a joint, or the state of being bent, commonly used in anatomy and medicine.

不可数

1. Bending of a jointB2formalmedical

   The action of bending a joint or limb, decreasing the angle between the bones.

   关节屈曲

   • The doctor assessed the patient's knee flexion after surgery.
   • Regular stretching improves hip flexion.
   • Flexion of the elbow brings the hand closer to the shoulder.

   同义词bendflectionflexure

   反义词extension

2. Deviation from a straight lineC1formalscientific

   A deviation or curve from a straight or normal path or course.

   弯曲

   • The road showed a slight flexion to the left.
   • The flexion of the light beam was caused by the lens.
   • Geologists studied the flexion of the rock layers.

   同义词bendcrookcurvaturecurvedeflectionflexure

3. B2formalmedical

   The condition or state of being bent or flexed, especially at a joint.

   屈曲

   • The joint remained in a state of flexion for several hours.
   • Prolonged flexion can lead to stiffness.
   • The patient reported pain during passive flexion of the wrist.

   同义词bendcurvatureflexure

   反义词extension