Sensor Anchoring Improves the Correlation Between Intramuscular Pressure and Muscle Tension in a Rabbit Model.

Sensor Anchoring Improves the Correlation Between Intramuscular Pressure and Muscle Tension in a Rabbit Model.
复制标题

在兔子模型中,传感器增强改善了肌内压力和肌肉张力之间的相关性。

DOI:
10.1007/s10439-020-02633-7
复制
发表时间:
2021-03
影响因子:
3.8
通讯作者:
Lieber RL
Lieber RL
中科院分区:
工程技术2区
文献类型:
--
作者:
O'Connor SM;Kaufman KR;Ward SR;Lieber RL

文献摘要

参考文献

相似文献

肌内压(IMP)显示出在活体内估计个体肌肉张力的前景。然而,以往的压力测量结果显示,在等长收缩过程中,压力变异性很大,而在动态收缩过程中,与张力的相关性较差。我们假设,增强的传感器锚定/取向将改善张力估计,从而开发出一种新型的带倒钩外壳的压力传感器。在新西兰大白兔(N=8)的胫骨前肌(TA)内分别插入与纤维方向平行和垂直的传感器。我们测量了等长收缩和动态收缩时的肌肉应力和IMP。被动应力在肌肉长度的两个插入方向上表现出良好的一致性(ICC>0.8)。当垂直插入时,主动应力与IMP的一致性较好(ICC=0.87±0.04),而在肌肉运动范围内的动态收缩和等长收缩时,平行插入时的主动应力与IMP一致性较差(ICC=0.21±0.22)。这些发现支持使用IMP测量来估计一系列收缩条件下的肌肉张力。
Intramuscular pressure (IMP) shows promise for estimating individual muscle tension in vivo. However, previous pressure measurements show high variability during isometric contraction and poor correlation with tension during dynamic contraction. We hypothesized that enhanced sensor anchoring/orientation would improve tension estimation and thus developed a novel pressure sensor with a barbed housing. Sensors were inserted into the tibialis anterior (TA) of New Zealand White rabbits (N=8) both parallel and perpendicular to the fiber orientation. We measured muscle stress and IMP during both isometric and dynamic contractions. Passive stress showed good agreement for both insertion directions across muscle lengths (ICC>0.8). Active stress and IMP agreement were good (ICC=0.87±0.04) for perpendicular insertions but poor (ICC=0.21±0.22) for parallel insertions across both dynamic contractions and isometric contractions within the muscle’s range of motion. These findings support use of IMP measurements to estimate muscle tension across a range of contraction conditions.
DOI: 10.1098/rspb.1938.0050
发表时间: 1938-10-01
期刊: PROCEEDINGS OF THE ROYAL SOCIETY SERIES B-BIOLOGICAL SCIENCES
影响因子: --
作者:
Hill, AV
通讯作者: Hill, AV
DOI: 10.1002/jmor.1051730206
发表时间: 1982-01-01
影响因子: 1.5
作者:
SACKS, RD;ROY, RR
通讯作者: ROY, RR
DOI: 10.1016/j.mvr.2008.08.002
发表时间: 2009-03-01
影响因子: 3.1
作者:
Ozerdem, Ugur
通讯作者: Ozerdem, Ugur
DOI: 10.1016/s0021-9290(02)00430-x
发表时间: 2003-04-01
影响因子: 2.4
作者:
Davis, J;Kaufman, KR;Lieber, RL
通讯作者: Lieber, RL
DOI: 10.1113/jphysiol.1939.sp003756
发表时间: 1939-06-01
影响因子: 5.5
作者:
Katz, B
通讯作者: Katz, B