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At least 721 records · Page 40Linked to original sources
PubMed2002

The effect of bracing on proprioception of knees with anterior cruciate ligament injury.

This paper is a comprehensive review on the effect of bandaging, bracing, and neoprene sleeves on knee proprioception following anterior cruciate ligament (ACL) injury and reconstruction with a focus on studies that have measured joint position sense and threshold to detection of passive knee motion. Disruption of the ACL does not appear to alter joint position sense soon after injury, although there is evidence that in some subjects deterioration may occur over time. An ACL tear creates a deficit in the threshold to detection of passive knee motion soon after injury and in those with chronic tears. The magnitude of worsening is less then 1.0 degree of movement in flexion-extension and of questionable concern from a clinical and functional perspective. Application of a functional brace or neoprene sleeve to the ACL-deficient limb does not improve the threshold to detection of passive knee motion; however, application of an elastic bandage to a knee with an ACL tear improves joint position sense. Reconstruction of a torn ACL is associated with a deficit in the threshold to detection of passive knee motion, and during the first year of healing the use of a neoprene sleeve provides improvement. Two years following ACL reconstruction there is no deficit in the threshold to detection of passive knee motion and the use of a brace has no effect on this outcome.

Anterior Cruciate Ligament↗
PubMed1988

Presentation of a posturographic test with loading of the proprioceptive system.

Postural control is maintained by sensory feedback from visual, vestibular and somatosensory receptors. Recently several methods for evaluating postural control have been devised, utilizing an imposed perturbation. Most of these methods use stimuli which simultaneously affect more than one of the sensory feedback loops. In the present paper a posturographic technique is presented with specific loading of the proprioceptive system, using a computer controlled vibratory stimulus and computerized analysis of the results.

Central Nervous System Diseases↗
PubMedDate not supplied

Posturographic evaluation of the proprioceptive effect of ankle orthoses in healthy volunteers.

This study analyses the proprioceptive effect of wearing a unilateral and then bilateral ankle orthosis on 34 healthy volunteer subjects by posturography. An elastic orthosis with a ligamentous support band was used, and evaluation was performed by a posturographic statokinesimetric platform. Three tests, one without an orthosis, one with one orthosis, and one with two orthoses, were recorded for each volunteer. The results and statistical analyses demonstrated a significant difference in the antero-posterior measurement between the test without ankle orthosis and the tests with one and with two orthoses. This study provides information about the prophylactic effect of wearing a flexible support; it appears that there are important inter-individual variations in postural equilibrium, and the wearing of prophylactic ankle orthoses should be reserved for subjects after a posturographic examination.

Adult↗
PubMed1985

Age-related changes in proprioception and sensation of joint position.

With a clinical goniometer we measured the ability of 29 normal women to (a) reproduce the perceived position of each knee with that of the other knee, and (b) reproduce from memory the perceived resting position of each knee following its return to rest. Fifteen subjects were under 30 years old and 14 were over 60. The younger group scored higher in all trials. This study suggests the existence of an age-related change in proprioception and static joint position sensation in women and provides a basis for further investigation of contributory factors of musculoskeletal trauma in the elderly.

Adult↗
PubMed1999

Anterior cruciate ligament reconstruction affects proprioception in the cat's knee.

To study the cat's knee after anterior cruciate ligament reconstruction, we compared its neural and muscular activity with that in the normal and the unstable knee. We recorded the electric activity in the articular nerves (posterior -PAN and medial -MAN) and periarticular muscles (quadriceps and hamstring) while performing passive flexion, extension, external and internal rotation, and also anterior translation of the tibia at 30 degrees and 90 degrees of flexion. The same series of maneuvers was performed in the same knees after surgical section of the anterior cruciate ligament and then after anterior cruciate reconstruction. The electric activity recorded in the reconstructed knee was compared to that in the same knee before surgery and in the same unstable knee after anterior cruciate section. We observed that the reconstructed knee, compared to the injured knee, showed a decrease in articular nerves and quadriceps activity while it regained stability. This decrease converged to the recordings in the normal knee. However, differences in MAN, PAN and hamstring activity were still present in the reconstructed knee. This suggests that, although anterior cruciate reconstruction seems beneficial for restoring articular nerve and periarticular muscle activities to a certain degree, proprioception in the reconstructed knee does not match that in the normal knee.

Action Potentials↗
PubMed2005

Influence of visually induced expectation on perceived motor effort: a visual-proprioceptive interaction at the Santa Cruz Mystery Spot.

It is known that dense objects seem heavier than larger, less dense objects of the same weight. We have investigated a related illusion, in which visual context biases the apparent weight of a single object. The apparatus is a cabin on a steep hillside near Santa Cruz, CA, tilted 17 degrees from vertical. From its ceiling hangs a weight on a chain. The cabin's tilt makes the weight appear suspended at an angle. Pushing the weight toward the visually based vertical is perceived as difficult, whereas pushing it away from the visual vertical is perceived as easy. Seven subjects pushed the weight in both directions, judging required effort on a double-anchored 1-10 scale. All experienced the effort illusion, with no significant subject effect. When subjects' eyes were closed, the effect was smaller but still present. Apparently proprioceptive and skin inputs, equal for both directions, are ignored or underweighted as visually based expectations influence perceived effort.

Humans↗
PubMed1999

[Influence of proprioceptive input from leg, thigh, trunk and neck muscles on the equilibrium of standing].

To investigate and compare the roles of proprioceptive input from the leg, thigh, trunk and neck muscles on equilibrium, we performed static posturography in 50 normal subjects in the standing position on a force platform by applying vibratory stimulations to the muscles. The length of the displacement of the center of gravity, maximum sway length and sway area were measured. The amplitude of the body sway was maximum when the stimulation was applied to the dorsal neck. The forward shift of the center of gravity was also marked by stimulation applied to the dorsal neck. The amplitude of the body sway on stimulation of the leg muscles was also marked, although less than that of dorsal neck stimulation. The backward shift during stimulation of the gastrocnemius and the forward shift during stimulation of the anterior tibialis were remarkable. The results indicate that the leg muscles, which directly regulate the movement of the ankle joint, and the dorsal neck muscles, which change the static equilibrium through the central nervous system, are important for maintaining the standing posture.

Adult↗
PubMed2005

Significant reduction in risk of falls and back pain in osteoporotic-kyphotic women through a Spinal Proprioceptive Extension Exercise Dynamic (SPEED) program.

OBJECTIVE: To determine the outcome of intervention with a spinal weighted kypho-orthosis (WKO) and a spinal proprioceptive extension exercise dynamic (SPEED) program on the risk of falls in ambulatory community-dwelling persons older than 60 years with osteoporosis-kyphosis at risk for falls. SUBJECTS AND METHODS: The study had 3 stages. At stage 1 (baseline), the 12 women in the kyphotic group were compared with 13 healthy controls to assess the risk of falls and balance disorder in the kyphotic group. At stage 2, the 12 kyphotic women began the SPEED program with a WKO (2 supervised sessions in an outpatient clinic and a 4-week, daily home-based training program). At stage 3, baseline and follow-up data of the kyphotic group were compared to determine the effect of intervention. RESULTS: At baseline, there were significant differences between the osteoporotic-kyphotic group and the control group in balance (P=.002), gait (P<.05), and strength (P<.05). After a 4-week intervention, comparison of the kyphotic group's baseline and follow-up results showed a significant change in balance (P=.003) and several gait parameters (P<.05). Mean back extensor strength improved significantly from baseline (144.0-46.5 N) to follow-up (198.6+/-55.2 N; P<.001). Lower extremity muscle strength was not changed significantly, except for improved left ankle plantar flexors (P=.02). Back pain decreased significantly (P=.001). CONCLUSION: Balance, gait, and risk of falls improved significantly with the 4-week SPEED program.

Accidental Falls↗
PubMed2026

The Acute Effects of Blood Flow Restriction on Ankle Muscle Reaction Time and Proprioception in Healthy Individuals.

Blood flow restriction (BFR) induces hypoxic and metabolic stress, which may alter afferent feedback and neuromuscular control. However, its acute effects on ankle sensorimotor function remain unclear. The aim of the study was to investigate the acute effects of lower-limb BFR on multidimensional ankle sensorimotor function in healthy adults. Twenty-four participants (12 females, 12 males) completed two conditions in randomized order and a crossover design: BFR at 60% arterial occlusion pressure (AOP) and a control condition (20 mmHg). All measurements were performed during occlusion. Outcomes included joint position sense (active and passive), kinesthesia, static and dynamic balance, lower-limb muscle activation (surface electromyography), and muscle reaction time during sudden ankle inversion. BFR impaired active joint position sense at 20 degrees of inversion (p = 0.011), with no changes at other angles or in kinesthesia. Static balance deteriorated, with increases in sway area (p = 0.017), sway distance (p = 0.029), and sway velocity (p < 0.001), particularly under eyes-closed single-leg stance. Posterolateral reach distance decreased (p = 0.023), accompanied by reduced lower-limb muscle activation. Tibialis anterior muscle reaction time during 30 degrees of inversion in the ankle neutral position was shortened (p < 0.001), whereas peroneus longus muscle responses were unchanged. Acute lower-limb BFR impairs ankle sensorimotor control by reducing proprioceptive accuracy, balance performance, and muscle activation, while shortening reaction time. These findings suggest caution when applying BFR during tasks that require high postural demands or end-range control. Registration number and date: NCT07307339, 12/26/2025.

Humans↗
PubMed2000

[Regulation of vertical posture in patients with children's cerebral paralysis treated with the method of proprioceptive correction].

Maintenance of vertical posture is a complex coordination act dependent on a multi-level system of regulation. Functional state of the visual system may contribute significantly to the implementation of the mechanisms of vertical posture maintenance. Stabilographic examination of healthy teenagers and patients afflicted with the main CCP forms with the method of dynamic proprioceptive correction revealed dependence of posture stability and involvement of the visual analyzer on sex.

Adolescent↗
PubMed1996

Interaction between the vestibular, optical, and proprioceptive sensory systems during realization of rotary nystagmus.

Questions related to the rotary nystagmus generation in the different variants of interactions between the vestibular, optical, and proprioceptive sensory systems are considered. A physiological concept of the opto-vestibulo-cervical system is given. The biological expediency of nystagmus is considered. It is proved that nystagmus is the organism's position-finding (orientation) reaction directed to a search for the objects in space aiding human orientation. Certain ideas about the vestibulology and physiology of space perception are discussed in detail from the viewpoint of the integral system approach.

Adolescent↗
PubMed2001

Proprioceptive information from the pinna provides somatosensory input to cat dorsal cochlear nucleus.

The dorsal cochlear nucleus (DCN) is a second-order auditory structure that also receives nonauditory information, including somatosensory inputs from the dorsal column and spinal trigeminal nuclei. Here we investigate the peripheral sources of the somatosensory inputs to DCN. Electrical stimulation was applied to cervical nerves C1-C8, branches of C2, branches of the trigeminal nerve, and hindlimb nerves. The largest evoked potentials in the DCN were produced by C2 stimulation and by stimulation of its branches that innervate the pinna. Electrical stimulation of C2 produced a pattern of inhibition and excitation of DCN principal cells comparable with that seen in previous studies with stimulation of the primary somatosensory nuclei, suggesting that the same pathway was activated. Because C2 contains both proprioceptive and cutaneous fibers, we applied peripheral somatosensory stimulation to identify the effective somatosensory modalities. Only stimuli that activate pinna muscle receptors, such as stretch or vibration of the muscles connected to the pinna, were effective in driving DCN units, whereas cutaneous stimuli such as light touch, brushing of hairs, and stretching of skin were ineffective. These results suggest that the largest somatosensory inputs to the DCN originate from muscle receptors associated with the pinna. They support the hypothesis that a role of the DCN in hearing is to coordinate pinna orientation to sounds or to support correction for the effects of pinna orientation on sound-localization cues.

Acoustic Stimulation↗
PubMed2004

[The influence of the cervical proprioception on the postural reflexes--experimental and clinical study].

The aim of the study was to estimate the effect of the neck proprioception on the postural reflexes in the cases of the cervical pathology in the whiplash injury and degenerative disease of the cervical vertebral column. The investigation using ENG and stabilometry was performed in 81 patients. Experimental observations were done among 10 pigeons with limitation of the neck proprioceptors action by special neck tutor. Their postural reflexes were analysed during balance test on the seesaw. Our conclusion is, that disorders of the proprioceptors impulastion can damage the postural reflexes even in patients with normal labyrinth function.

Adolescent↗
PubMed1979

Exteroceptive, proprioceptive, and sympathetic activity recorded with microelectrodes from human peripheral nerves.

With tungsten microelectrodes percutaneously inserted into human peripheral nerve fascicles, in vivo recordings of single-unit action potentials can be obtained from different types of myelinated and unmyelinated nerve fibers. This technique of microneurography has provided a great deal of information about (1) the sensory innervation of the human skin, with its mechanoreceptive, thermoreceptive, and nociceptive functions, (2) the proprioceptive innervation of human skeletal muscles, special attention being devoted to the motor control functions of the muscle spindles and the fusimotor system, and (3) the sympathetic innervation of autonomic effector organs in skin and muscle, with its significance for, for example, regulation of temperature and blood pressure. The technique has its main application not as a routine procedure in clinical diagnostic work but as a research tool in basic physiologic and pathophysiologic studies.

Humans↗
PubMed1978

[Proprioceptive feedback and temporal regulation in cats].

Temporal regulation in cats was studied using operant conditioning techniques; milk was delivered according to either a two-lever response duration schedule or a two-lever DRL schedule. After an equal number of experimental sessions, the subjects on the DRL schedule reached larger delay values than the subjects on the response duration schedule. Hypotheses concerning the intervention of proprioceptive feedback in the temporal regulation of motor behavior are discussed.

Animals↗
PubMed2005

The effects of proprioceptive neuromuscular facilitation stretching on shoulder range of motion in overhand athletes.

AIM: The purpose of this study was to compare the effects of the contract-relax-contract (CRC) and hold-relax-contract (HRC) proprioceptive neuromuscular facilitation (PNF) stretching programs against a control, on external range of motion (ROM) of the shoulder in apparently healthy athletes. METHODS: The subjects were male and female adults between the ages of 25 to 50 years old. Subjects also had been involved in at least one overhand throwing sport (tennis, baseball, quarterback in football, etc.) in the past year. There were 30 participants whom were randomly assigned to 1 of 3 groups (CRC PNF, HRC PNF, control) with 10 subjects per group. Measurement of ROM for external rotation of the shoulder was performed prior to and after 6 weeks of training using a goniometer. The CRC and HRC PNF stretches were performed on subjects twice a week for 6 weeks. The statistical analysis conducted involved a 3x2 analysis of variance with the criteria for statistical significance set at p<0.05. Post hoc testing included paired t-tests and Tukey tests to pinpoint significant differences relative to the interaction between group and time. RESULTS: There was an increase in ROM from pretest to post-test for the HRC group (+13.50 degrees) and CRC group (+14.60 degrees), but not in the control group (+0.30 degrees). The improvement in ROM however, was similar between the HRC and CRC groups. CONCLUSIONS: The CRC and HRC PNF stretching techniques are effective at increasing external shoulder ROM when consistently performed 2 times a week for 6 weeks.

Adult↗