The L4 and L5 are the two lowest vertebrae of the lumbar spine. Together with the intervertebral disc, joints, nerves, and soft tissues, the L4-L5 spinal motion segment provides a variety of …

2017年11月15日 · 1、人体的腰椎l1~l5共有5块； 2、每一块腰椎由前方的椎体和后方的附件组成。 3、腰椎的结构有椎体、椎弓根、椎板、棘突、横突及上关节突、下关节突，与胸椎不同，椎 …

2022年2月17日 · L2, L3 and L4 spinal nerves provide sensation to the front part of your thigh and inner side of your lower leg. These nerves also control hip and knee muscle movements. L5 …

Two consecutive vertebrae, such as L4-L5, stacked vertically. An intervertebral disc that has a soft inner gelatinous core surrounded by a tough fibrous covering is situated between the …

2020年12月3日 · The sixth lumbar vertebra is typically located just below the L5 vertebra, making it the lowest vertebra and positioning it next to your tailbone. The extra bone is essentially just …

Most individuals have five lumbar vertebrae, while some have four or six. Lumbar disorders that normally affect L5 will affect L4 or L6 in these latter individuals.

l5脊神经控制臀部，膝盖，脚和脚趾的运动。 L4和L5神经与其他的神经构成 坐骨神经 (sciatic nerve)，该神经从后骨盆向下延伸到腿后部，并终止于脚部。 由这条神经引起的症状和体征， …

A multilevel spinal fusion involves fusing two or more levels of the spine, such as the L4-L5 and L5-S1 spinal segments. Multilevel fusions considerably limit the normal motion in the lower …

根据国际公认的标准,汽车自动驾驶可分为六个等级:l0级到l5级,等级越高意味着自动化程度越高。 那么这六个等级具体有何区别呢?本文将详… 切换模式

2023年11月16日 · The lumbar vertebrae are five in number and desginated as vertebrae L1-L5. They are primarily responsible for bearing the weight of the upper body (and permitting …