PURPOSE: To investigate the effect of intramuscular Botulinum toxin type A (BoNT-A) injection on gait and dynamic foot pressure distribution in children with spastic cerebral palsy (CP) with dynamic equinovarus foot. MATERIALS AND METHODS: Twenty-five legs of 25 children with CP were investigated in this study. BoNT-A was injected into the gastrocnemius (GCM) and tibialis posterior (TP) muscles under the guidance of ultrasonography. The effects of the toxin were clinically assessed using the modified Ashworth scale (MAS) and modified Tardieu scale (MTS), and a computerized gait analysis and dynamic foot pressure measurements using the F-scan system were also performed before injection and at 1 and 4 months after injection. RESULTS: Spasticity of the ankle plantar-flexor in both the MAS and MTS was significantly reduced at both 1 and 4 months after injection. On dynamic foot pressure measurements, the center of pressure index and coronal index, which represent the asymmetrical weight-bearing of the medial and lateral columns of the foot, significantly improved at both 1 and 4 months after injection. The dynamic foot pressure index, total contact area, contact length and hind foot contact width all increased at 1 month after injection, suggesting better heel contact. Ankle kinematic data were significantly improved at both 1 and 4 months after injection, and ankle power generation was significantly increased at 4 months after injection compared to baseline data. CONCLUSION: Using a computerized gait analysis and foot scan, this study revealed significant benefits of BoNT-A injection into the GCM and TP muscles for dynamic equinovarus foot in children with spastic CP.
Adolescent ; Ankle Joint ; Botulinum Toxins, Type A/administration & dosage/*pharmacology ; Cerebral Palsy/*complications/drug therapy ; Child ; Child, Preschool ; Clubfoot/*drug therapy/*etiology/physiopathology ; Female ; Foot ; Gait/*drug effects/physiology ; Humans ; Injections, Intramuscular ; Male ; Muscle Spasticity/drug therapy ; Muscle, Skeletal/diagnostic imaging ; Neuromuscular Agents/administration & dosage/*pharmacology ; Pressure ; Prospective Studies ; Treatment Outcome ; Weight-Bearing

PURPOSE: This study investigated the correlation between isometric muscle strength, gross motor function, and gait parameters in patients with spastic cerebral palsy and to find which muscle groups play an important role for gait pattern in a flexed knee gait. MATERIALS AND METHODS: Twenty-four ambulatory patients (mean age, 10.0 years) with spastic cerebral palsy who were scheduled for single event multilevel surgery, including distal hamstring lengthening, were included. Preoperatively, peak isometric muscle strength was measured for the hip flexor, hip extensor, knee flexor, and knee extensor muscle groups using a handheld dynamometer, and three-dimensional (3D) gait analysis and gross motor function measure (GMFM) scoring were also performed. Correlations between peak isometric strength and GMFM, gait kinematics, and gait kinetics were analyzed. RESULTS: Peak isometric muscle strength of all muscle groups was not related to the GMFM score and the gross motor function classification system level. Peak isometric strength of the hip extensor and knee extensor was significantly correlated with the mean pelvic tilt (r=-0.588, p=0.003 and r=-0.436, p=0.033) and maximum pelvic obliquity (r=-0.450, p=0.031 and r=-0.419, p=0.041). There were significant correlations between peak isometric strength of the knee extensor and peak knee extensor moment in early stance (r=0.467, p=0.021) and in terminal stance (r=0.416, p=0.043). CONCLUSION: There is no correlation between muscle strength and gross motor function. However, this study showed that muscle strength, especially of the extensor muscle group of the hip and knee joints, might play a critical role in gait by stabilizing pelvic motion and decreasing energy consumption in a flexed knee gait.
Biomechanical Phenomena ; Cerebral Palsy/*physiopathology/surgery ; Female ; Gait/*physiology ; Humans ; Isometric Contraction/physiology ; Knee/physiopathology ; Knee Joint/surgery ; Male ; Muscle Spasticity/etiology/physiopathology ; Muscle Strength/*physiology ; Muscle Strength Dynamometer ; Muscle, Skeletal/*physiopathology ; Pelvis ; Postural Balance/physiology ; Tenotomy

OBJECTIVETo investigate the long-term clinical efficacy and adverse effects of botulinum toxin-A (BTX-A) injection in the treatment of gastrocnemius spasticity in children aged 9-36 months with cerebral palsy.

METHODSEighty children aged 9-36 months with cerebral palsy and gastrocnemius spasticity were selected and randomly divided into a BTX-A injection group and a conventional treatment group (n=40 each). The children in the BTX-A injection group received injections of BTX-A guided by color Doppler ultrasound and 4 courses of rehabilitation training after injection. Those in the conventional treatment group received 4 courses of the same rehabilitation training alone. Before treatment and at 1, 2, 3, and 6 months after treatment, the modified Tardieu scale (MTS) was applied to assess the degree of gastrocnemius spasticity, the values in the passive state measured by surface electromyography (sEMG) were applied to evaluate muscle tension, and the Gross Motor Function Measure (GMFM) was used to evaluate gross motor function.

RESULTSCompared with the conventional treatment group, the BTX-A injection group had significantly greater reductions in MTS score and the values in the passive state measured by sEMG (P<0.05), as well as significantly greater increases in joint angles R1 and R2 in MTS and gross motor score in GMFM (P<0.05). No serious adverse reactions related to BTX-A injection were found.

CONCLUSIONSBTX-A injection is effective and safe in the treatment of gastrocnemius spasticity in children aged 9-36 months with cerebral palsy.

Botulinum Toxins, Type A ; administration & dosage ; Cerebral Palsy ; drug therapy ; physiopathology ; Child, Preschool ; Female ; Humans ; Infant ; Male ; Muscle Spasticity ; drug therapy ; physiopathology ; Muscle, Skeletal ; drug effects ; physiopathology ; Prospective Studies ; Treatment Outcome

To quantitatively evaluate the upper-limb spasticity of stroke patients in recovery stage, the relationship between surface electromyography (sEMG) characteristic indexes from biceps brachii and triceps brachii and the spasticity were explored, which provides the electrophysiological basis for clinical rehabilitation. Ten patients with spasticity after stroke were selected to be estimated by modified Ashworth (MAS) assessment and a passive elbow sinusoidal motion experiment was carried out. At the same time, the sEMG of biceps and triceps were recorded. The results shows that the reflex electromyographic threshold could reflect the physiological mechanism of spasticity and had significant correlation with MAS scale which showed that sEMG could be prosperous for the clinical quantitative evaluation of spasticity of stroke patients.
Electromyography ; Humans ; Muscle Spasticity ; physiopathology ; Muscle, Skeletal ; physiopathology ; Stroke ; physiopathology

OBJECTIVETo observe the life quality improvement of spastic hemiplegia of stroke treated with fire-needle.

METHODSSixty patients were randomly divided into a fire-needle group and a rehabilitation group, 30 cases in each one. In the two groups, the conventional treatment of neurology and rehabilitation strengthening limbs function were applied. In the fire-needle group, fire-needle was used at Jianyu (LI 15), Binao (LI 14), Quchi (LI 11), Yanglingquan (GB 34), Xuehai (SP 10) and Sanyinjiao (SP 6), etc. , once two days and continuously for 30 days (15 times). In the rehabilitation group, conventional rehabilitation exercises were given five times a week for 4 weeks (20 times). Before treatment, at the end of treating program and one month later after treatment, spasticity of upper and lower limbs was assessed by Ashworth scale and clinic spasticity index (CSI); limbs function was evaluated by Fugl-Meyer (FM) scale; life quality was estimated by patient-reported outcome (PRO). Clinical effects were compared between the two groups.

RESULTS(1) At the end of treating and one month later after treatment, the Ashworth scales were better than those before treatment in the two groups (P < 0.05, P < 0.01), and the scales of the fire-needle group were superior to those at the same time of the rehabilitation group (both P < 0.05). (2) At the end of treating and one month later after treatment, the CSIs were better than those be fore treatment in the fire-needle group (both P < 0.01), but not changed apparently in the rehabilitation group (both P > 0.05). And the indices of the fire-needle group were superior to those at the same time of the rehabilitation group (P < 0.05, P < 0.01). (3) The FM scales of upper and lower limbs at the end of treating and one month later after treatment were better than those before treatment in the two groups (all P 0.01), except the lower limbs at the end of treating in the rehabilitation group (P > 0.05). The FM scales of the fire-needle group were superior to those at the same time of the rehabilitation group (P < 0.05, P < 0.01). (4) At the end of treating and one month later after treatment, the PRO scales were better than those before treatment in the two groups (all P < 0.01), and the scales of the fire-needle group were superior to those at the same time of the rehabilitation group (P < 0.05, P < 0.01).

CONCLUSIONFire-needle can effectively relieve spastic hemiplegia of stroke, and improve limbs motor function and life quality. It is better than rehabilitation.

Acupuncture Therapy ; instrumentation ; methods ; Adult ; Aged ; Female ; Hemiplegia ; Humans ; Lower Extremity ; physiopathology ; Male ; Middle Aged ; Muscle Spasticity ; etiology ; physiopathology ; therapy ; Needles ; Quality of Life ; Stroke ; complications ; therapy ; Treatment Outcome ; Upper Extremity ; physiopathology

Acupuncture Points ; Acupuncture Therapy ; Adult ; Aged ; Female ; Humans ; Lower Extremity ; physiopathology ; Male ; Middle Aged ; Muscle Spasticity ; etiology ; therapy ; Paralysis ; etiology ; therapy ; Stroke ; complications

The effect of high-frequency repetitive transcranial magnetic stimulation (rTMS) on spasticity following spinal cord injury (SCI) and the action mechanism were investigated. SCI models were established in Sprague-Dawley rats. Five groups were set up: normal control group, SCI-7 day (7D) model group, SCI-14D model group, SCI-7D rTMS group and SCI-14D rTMS group (n=10 each). The rats in SCI rTMS groups were treated with 10 Hz rTMS at 8th day and 15th day after SCI respectively. Motor recovery and spasticity alleviation were evaluated by BBB scale once a week till the end of treatment. Finally, different parts of tissues were dissected out for detection of GABA receptors using Western blotting and polymerase chain reaction (PCR) technique. The results showed that the BBB scores after treatment were significantly higher in SCI-7D rTMS group than in SCI-14D rTMS group (P<0.05). The GABA receptors were down-regulated more significantly in SCI-14D model group than in SCI-7D model group (P<0.05). At different time points, rTMS treatment could affect the up-regulation of GABA receptors: The up-regulation of GABA receptors was more obvious in SCI-7D rTMS group than in SCI-14D rTMS treatment group (P<0.05). It was concluded that 10-Hz rTMS could alleviate spasticity following SCI and promote the motor recovery in rats, which might be attributed to the up-regulation of GABA receptors. It was also suggested that early high-frequency rTMS treatment after SCI may achieve more satisfactory curative effectiveness.
Animals ; Blotting, Western ; Male ; Muscle Spasticity ; physiopathology ; Polymerase Chain Reaction ; Rats ; Rats, Sprague-Dawley ; Receptors, GABA ; physiology ; Spinal Cord Injuries ; physiopathology ; Transcranial Magnetic Stimulation

OBJECTIVETo evaluate the efficacy on hemiplegic spasticity after cerebral infarction treated with plum blossom needle tapping therapy at the key points and Bobath therapy.

METHODSEighty patients were collected, in compliance with the inclusive criteria of hemiplegic spasticity after cerebral infarction, and randomized into an observation group and a control group, 40 cases in each one. In the control group, Bobath manipulation therapy was adopted to relieve spasticity and the treatment of 8 weeks was required. In the observation group, on the basis of the treatment as the control group, the tapping therapy with plum blossom needle was applied to the key points, named Jianyu (LI 15), Jianliao (LI 14), Jianzhen (SI 9), Hegu (LI 4), Chengfu (BL 36), Zusanli (ST 36), Xiyangguan (GB 33), etc. The treatment was given for 15 min each time, once a day. Before treatment, after 4 and 8 weeks of treatment, the Fugl-Meyer assessment (FMA) and Barthel index (BI) were adopted to evaluate the motor function of the extremity and the activity of daily life in the patients of the two groups separately. The modified Ashworth scale was used to evaluate the effect of anti-spasticity.

RESULTSIn 4 and 8 weeks of treatment, FMA: scores and BI scores were all significantly increased as compared with those before treatment in the two groups: (both P<0. 05). The results in 8 weeks of treatment in the observation group were significantly better than those in the control group (all P<0. 05). In 4 and 8 weeks of treatment, the scores of spasticity state were improved as compared with those before treatment in the patients of the two groups (all P<0. 05). The result in 8 weeks of treatment in the observation group was significantly better than that in the control group (P<0. 05). In 8 weeks of treatment, the total effective rate of anti-spasticity was 90. 0% (36/40) in the observation group, better than 75. 0% (30/40) in the control group (P<0. 05).

CONCLUSIONThe tapping therapy with plum blossom needle at the key points combined with Bobath therapy effectively relieves hemiplegic spasticity in the patients of cerebral infarction and improves the motor function of extremity and the activity of daily life.

Acupuncture Points ; Acupuncture Therapy ; instrumentation ; Aged ; Cerebral Infarction ; complications ; physiopathology ; Combined Modality Therapy ; Female ; Humans ; Male ; Middle Aged ; Muscle Spasticity ; etiology ; physiopathology ; rehabilitation ; therapy ; Treatment Outcome

OBJECTIVETo observe the clinical efficacy on spastic pelvic floor syndrome (SPFS) treated with electroacupuncture (EA) at Shangliao (BL 31), Ciliao (BL 32), Zhongliao (BL 33) and Xialiao (BL 34).

METHODSThirty-six cases of SPFS were treated with EA at Shangliao (BL 31), Ciliao (BL 32), Zhongliao (BL 33) and Xialiao (BL 34), intermittent wave, 60 times/min in frequency, retained for 20 min. In general, the acupoints on one side were stimulated in each treatment. The bilateral acupoints stimulation was applied in serious cases. The treatment was given once every two days, five treatments made one session and totally three sessions were required. Before and after treatment, the clinical symptoms, anal kinetic indices defecation radiographic changes were observed. The follow-up observation was done in three months after the end of treatment.

RESULTSIn three-months follow-up after treatment, 14 cases were cured, 18 cases improved and 4 cases failed. The total effective rate was 88. 9%. After treatment, the cases of incomplete defecation, difficult defecation, anal pain and anal obstruction were reduced apparently as compared with those before treatment, indicating the statistically significant differences (all P<0.01). After treatment, rectal anal reflex threshold (ARA) was increased, anal maximal contraction pressure (AMCP) was reduced to (16.62±1.54) kPa and anal rest pressure (ARP) was significantly reduced to (7.22±0.36) kPa, indicating the statistical differences as compared with those before treatment (all P<0.01). After treatment, anorectal angle (ARA) in forceful defecation was increased to (116.55±9.42)°, the distance between the anorectal junction and the pubococcygeal line was decreased, and the impression of puborectal muscle was alleviated apparently as compared with that before treatment (P<0.01).

CONCLUSIONEA at Shangliao (BL 31), Ciliao (BL 32), Zhongliao (BL 33) and Xialiao (BL 34) achieves definite efficacy on SPFS and this therapeutic method obviously relieves the symptoms and deserves to be promoted in clinic.

Acupuncture Points ; Adult ; Aged ; Anus Diseases ; physiopathology ; therapy ; Constipation ; physiopathology ; therapy ; Defecation ; Electroacupuncture ; Female ; Humans ; Male ; Middle Aged ; Muscle Spasticity ; physiopathology ; therapy ; Pelvic Floor ; pathology

OBJECTIVETo assess the effect of electroacupuncture in different frequencies by electromyography and walking function measure in post-stroke patients with lower-extremity (OLE) spasticity and hemiparesis.

METHODSFifty cases of post-stroke whose motor deficit was classified into Brunnstrom stage II - IV were randomly divided into a 100 Hz group, a 50 Hz group and a 2 Hz group. They were accepted 100 Hz, 50 Hz or 2 Hz of electroacupuncture (EA) therapy combined with standard rehabilitation program. Main outcome measures included integrated electromyography (IEMG) score during maximum isometric voluntary contraction (MIVC) of the knee flexors and extensors, ankle dorsiflexors and planterflexors in the affected LE recorded by surface EMG, Co-contraction ratio calculated by IEMG score of the antagonist over that of the agonist plus antagonist, Composite Spasticity Scale (CSS), Fugl-Meyer Motor Scale (FMS) and Functional Ambulation Categories (FAC) on LE. All outcomes were assessed at the baseline and after treatment by the professional practitioners who blinded to the treatment.

RESULTSAfter EA treatment, IEMG of rectus femoris were decreased in 100 Hz and 50 Hz groups (P < 0.01, P < 0.05), and better than that in 2 Hz group (both P < 0.05); gastrocnemius IEMG were decreased in 100 Hz and 50 Hz groups (P < 0.05, P < 0.01); but IEMG of tibialis anterior muscle was increased only in 50 Hz group (P < 0.05). During knee flexion, EMG co-contraction ratio in MIVC declined in 100 Hz and 50 Hz groups were decreased significantly (P < 0.05, P < 0.01), and the co-contraction ratio between the non-affected and affected side were increased significantly in all the 3 groups after treatment (P < 0.01, P < 0.05). During ankle dorsiflexion, co-contraction ratio were decreased significantly in all the 3 groups (P < 0.05, P < 0.01), and cocontraction ratio between the non-affected and affected side was increased significantly only in 100 Hz after treatment (P < 0.01). FMS score, CSS and FAC were improved in all the 3 groups after treatment (all P < 0.01), but only FAC in 100 Hz group showed better effect than that in 50 Hz group or 2 Hz group (both P < 0.05).

CONCLUSIONElectroacupuncture therapy combined with rehabilitation program is effective for the spasticity status of lower-extremity in post-stroke. The therapeutic effect of EA in the frequencies of 100 Hz or 50 Hz is superior to that of 2 Hz stimulation and parameter of 100 Hz may be optimal.

Aged ; Electroacupuncture ; Electromyography ; Female ; Humans ; Lower Extremity ; physiopathology ; Male ; Middle Aged ; Muscle Spasticity ; etiology ; physiopathology ; therapy ; Paresis ; etiology ; physiopathology ; therapy ; Stroke ; complications ; Treatment Outcome ; Walking