• Title/Summary/Keyword: Craniovertebral angle

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Correlations between Craniovertebral Angle(CVA) and Cardiorespiratory Function in Young Adults (젊은 성인에서 두개척추각과 호흡순환기능의 상관관계 분석)

  • Lee, Myoung-Hee;Chu, Min
    • Journal of the Korean Society of Physical Medicine
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    • v.9 no.1
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    • pp.107-113
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    • 2014
  • PURPOSE: The purpose of this study was to investigate the correlation between craniovertebral angle (CVA) and cardiorespiratory function ($VO_2max$ and $VCO_2max$) in young adults. METHODS: For this study, the students of D college were questioned and 50 members of D college were participated in our research.. Side-view pictures of each subject were taken in standing positions, in order to assess forward head posture (FHP) by measuring the craniovertebral angle. The craniovertebral angle was measured as the angle between a horizontal line at C7 and a line from the tragus of the ear to the spinous process of C7. And $VO_2max$ and $VCO_2max$ were measured by Quark CPET (cosmed co, USA) while the subjects were performed the treadmill running task of a intensity to set with respiratory mask. Subjucts were Then Pearson's correlation coefficient was calculated to estimate the relationship between craniovertebral and cardiorespiratory function ($VO_2max$ and $VCO_2max$) using SPSS for window. RESULTS: There was a significant positive correlation between craniovertebral angle and $VO_2max$ during treadmill running task (r=0.528, p<0.05). And there was a significant positive correlation between craniovertebral angle and $VO_2max$ during treadmill running task (r=0.566, p<0.05). CONCLUSION: Foreward head posture is related to cardiorespiratory function, and it has a negative correlation with cardiorespiratory function.

Correlation between Tone of Suboccipital Muscle and Endurance of Deep Neck Flexor Muscle according to Angle Changes in College Students (대학생의 머리척추 각도에 따른 뒤통수밑근 긴장도와 깊은목굽힘근의 지구력과의 상관관계)

  • Lee, Hee-ji;Lee, Yeon-soo;Jeong, Ji-young;Seo, Dong-kwon
    • Journal of the Korean Society of Physical Medicine
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    • v.14 no.2
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    • pp.137-144
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    • 2019
  • PURPOSE: The continued use of smartphones has resulted in an abnormal body posture and neck alignment changes. Maintaining this posture for a long time weakens the flexor muscles in the neck and shortens the extensor muscles in the neck. This study examined the correlation between the suboccipital muscle tension and deep neck flexor muscle physical endurance according to the craniovertebral angles. METHODS: The craniovertebral angle, tension of the suboccipital muscle and endurance of the deep neck flexor muscle were measured in 58 healthy 20-year-old male and female college students. The tension of suboccipital muscle and endurance of the deep neck flexor muscle were then divided according to the body mass index (BMI). Their correlation with the craniovertebral angle was then examined. Each parameter was measured three times to determine the interrater reliability. RESULTS: The craniovertebral angle and suboccipital muscle tension showed differed significantly. On the other hand, the craniovertebral angle and deep neck flexor muscle physical endurance showed no significant differences. CONCLUSION: The results show that the craniovertebral angle and deep neck flexor muscle physical endurance were not correlated, but a smaller craniovertebral angle resulted in a higher suboccipital muscle tension.

Effect of Kinesio Taping and Proprioception Training on Pain, Neck Disability, Craniovertebral Angle, and Muscle Activity in Forward Head Posture

  • Yoo, Hyo Jin;Choi, Jung Hyun
    • Journal of International Academy of Physical Therapy Research
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    • v.9 no.4
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    • pp.1619-1625
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    • 2018
  • To examine the changes in pain, the severity of the neck disorder, craniovertebral angle, and muscle activity in young adults with forward head posture. 37 "N" University students in their 20s with forward head posture, including both male and female participants. Measurement of pain, NDI (neck disorder index) craniovertebral angle, and muscle activity were taken before and after the 6 week intervention period. The pain was measured using the visual analog scale. The severity of the neck disorder was measured using the NDI The craniovertebral angle was measured by taking a photo. The muscle activity was measured using surface electromyography. Neck posture correction exercises paired with proprioceptive training is the most effective intervention for reducing pain. Both neck posture correction exercises paired with Kinesio taping or proprioceptive training are effective interventions for addressing neck disability, craniocervical angle, and muscle activity. Neck posture correction exercises paired with Kinesio taping or proprioceptive training are more effective at addressing pain, neck disorder, craniocervical angle, and muscle activity than performing the neck posture correction exercises alone.

Change of Craniovertebral Angle and Scapula Alignment in Adults with Forward Head Posture by Shoulder and Abdominal Stabilization Exercise (어깨 안정화운동과 복부 안정화 운동에 의한 전방머리자세 성인의 머리척추각도와 어깨뼈 정렬 변화)

  • Kim, Jae-Hyun;Rhee, Min-Hyung
    • PNF and Movement
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    • v.19 no.2
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    • pp.251-260
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    • 2021
  • Purpose: This study aimed to adjust the craniovertebral angle and shoulder alignment through shoulder and abdominal stabilization exercises in adults with a forward head posture. Methods: The study participants were 29 adults with a forward head posture, and they were randomly divided into the following groups: 14 participants in a combined exercise group that used shoulder and abdominal stabilization exercises and 15 participants in a shoulder exercise group that used just shoulder stabilization exercises. The participants performed the stabilization exercises for 30 minutes per day, three times a week for five weeks. Results: There were significant differences in the craniovertebral angle after intervention in the shoulder stabilization exercise group (p < 0.05). There were significant differences in the craniovertebral angle and location of the right root of the spine and both inferior angles before and after intervention in the shoulder and abdominal stabilization exercise group (p < 0.05). There was a significant difference in the location of the right root of the spine and the left inferior angle between the groups at the post-test (p < 0.05), and there was a larger change in the shoulder and abdominal stabilization exercise group. Conclusion: There was a significant difference in the craniovertebral angle and a partially significant difference in shoulder alignment before and after intervention in both groups.

Effects of Body-Adhesive Backpack Condition on Craniovertebral Angle, Sagittal Shoulder Angle and Muscle Fatigue

  • Son, Jinkyu;Kim, Ho;Shin, Wonseob
    • Journal of International Academy of Physical Therapy Research
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    • v.11 no.4
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    • pp.2203-2211
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    • 2020
  • Background: Backpacks are one of the most widely used accessories in modern society. However, previous studies have shown that carrying a backpack can cause various musculoskeletal problems. Objectives: To investigate the effects of a body-adhesive backpack on craniovertebral angle, sagittal shoulder angle and the muscle fatigue in the upper extremity. Design: Randomized cross-over design. Methods: For this study, 36 healthy university students participated in this study. The experiment was conducted three times using common backpack, and body-adhesive backpack condition. The angles of the cervical spine and shoulder joints of the subjects were calculated without the backpack. Electrodes were placed at upper trapezius, lower trapezius, rectus abdominis and erector spinae to check for muscle fatigue. Subjects carried a backpack and walked on a treadmill for 15 minutes at 4 km/h. The muscle fatigue signal was also measured while walking. After walking, the craniovertebral and sagittal shoulder angles were measured again while subjects carried backpack. Results: As a result of this study, body-adhesive backpack condition showed significant decrease and significant increase in craniovertebral angle and sagittal shoulder angle than common backpack (P<.05). Body-adhesive backpack condition showed significant decrease in upper trapezius, lower trapezius, erector spinae, and rectus abdominis when compared to a common backpack (P<.05). Conclusion: This study suggests that a body-adhesive backpack is more beneficial in correcting body posture than a common backpack.

The Effect of the Weight of a Backpack on Craniovertebral Angle and Neck Muscle Activities on Some University Students (백팩 무게가 일부 대학생의 머리척추각과 목 근활성도에 미치는 영향)

  • Park, Cheon-jun;An, Duk-hyun
    • Physical Therapy Korea
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    • v.27 no.1
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    • pp.45-52
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    • 2020
  • Background: A backpack is available equipment for moving some objects. Most studies have found that the appropriate weight limit of backpack for students is between 10% to 15% of their body weight (BW). However, Some students should carry a backpack heavier than 15% of BW. Therefore, It is associated with abnormal shoulder and neck posture on students. Objects: This study tested the effects that various amounts of weight carried by university students in their backpacks had on their cervical posture and electromyography of neck muscle. Methods: The subjects consisted of 12 students (6 male, 6 female) in university. There were three loading conditions tested: no backpack, a backpack that weighed 10% and 15% of the student's BW. The dependent variables were the craniovertebral angle (tragus to C7) and the neck muscle activities (sternocleidomastoid, upper trapezius). All 12 subjects were asked to walk while wearing a backpack for 5 minutes and were then instructed to rest for 2 minutes. Results: When assessing the craniovertebral angle, the results of this study were significantly decreased in the order of 0%, 10%, and 15%. And then, there were significantly increased electromyography of neck muscles that comparison of the weight of 10% and 15% on 0%. It was found that as the weight of the backpack increased, the craniovertebral angle decreased (p < 0.05) and the muscle activities increased (upper trapezius p = 0.012, sternocleidomastoid p = 0.013). Conclusion: Our study recommended that some students shouldn't carry on over the 15% backpack of own weight, and also they should distribute backpack load to equal on body for optimal posture.

Effect of Kinesiolology taping and Posture Stabilizing Exercise on Pain, Craniovertebral Angle, Proprioception in Adults with Forward Head Posture

  • Choi, Junghyun
    • Journal of International Academy of Physical Therapy Research
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    • v.10 no.3
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    • pp.1862-1867
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    • 2019
  • Background: The importance of postural stabilization and cervical mobilization in subjects with pain from the anterior head posture is drawing more attention. However, studies on head and neck stabilizing intervention after mobilization are lacking. Objective: To examine the effects of Kinesiotaping and posture setting exercise on forward head posture (FHP). Design: Crossover Study Design Methods: The subjects were 17 male and female college students in their 20s with FHP. They were randomized into the Kinesiology taping group (KTG) with 9 subjects and posture stabilizing exercise group (PSEG) with 8 subjects. The intervention was conducted for 4 weeks, and changes in pain, craniovertebral angle (CVA), and proprioception were observed before and after intervention. Results: Pain was significantly reduced in the KTG and PSEG both before and after intervention. CVA and proprioception were significantly increased only in the PSEG. The differences in CVA and proprioception between the two groups were significant. Conclusions: These findings suggest that the application of posture setting exercise could decrease pain, proprioceptive error and increase CVA on FHP.

Effect of craniovertebral angle on length difference of backpack strap (배낭 가방의 끈 길이 차이가 머리척추각도에 미치는 영향)

  • Lee, Ji-Eun;Kang, Dae-Han;Park, So-Hyeon;Lee, Yu-Jin;Yun, Seul-Gi
    • Journal of Korean Physical Therapy Science
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    • v.22 no.2
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    • pp.29-36
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    • 2015
  • Purpose : the purpose of the study was to investigate the effect of craniovertebral angle on bag strap length change method : this study is aimed at twenties healthy adult for 30 persons (male-8, female-22) research participant attach marks on tragus and cervical7 participant did not carry bag in First test. thereafter we take a picture mark point and measure the angle. immediately the second experiment was designed to carry back on participant's iliac crest and to walk freely for five minutes. afterward, we take a picture mark point and measure the angle. last experiment was performed after five minutes break. participants carried back on 10cm below participant's iliac crest and third experiment was performed the same way. results : Increase the length of the bag, craniovertebral angle is reduced and there is a significant difference between the three experiments.(p=.000) conclusion : when hold the back too long, Cervical spine cause temporary head forward posture. so carry on bag short.

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The Effects of a Sling Exercise Program on the Correction of the Forward Head Posture Among Adolescent (현수운동 프로그램이 청소년들의 두부전방자세에 미치는 효과)

  • Yu, Dal-Yeong
    • The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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    • v.20 no.2
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    • pp.15-20
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    • 2014
  • Objective: The purpose of this study was to investigate the effects of sling exercise on the cervical lordotic angle, craniovertebral angle, and head rotation angle among adolescents in the forward head posture. Methods: The subjects include 22 adolescents that recorded a mild level or higher on the posture evaluation index by New York State. They were randomly divided to the hand exercise group (n=11) and the control group (n=11). The former group participated in the sling exercise program three times a week over four weeks in total with each session lasting 60 minutes, whereas the latter group was not included in the program. The cervical lordotic angle, craniovertebral angle, and head rotation angle were measured before and after the intervention. Results: The study compared the cervical lordotic angle between the two groups before and after sling exercise and found that the sling exercise group made an increase of $7.36^{\circ}$ from $21.91^{\circ}$ to $29.27^{\circ}$ after the intervention(p<.05). As for the comparison results of the craniovertebral angle, the sling exercise group made an increase of $5.64^{\circ}$ from $48.91^{\circ}$ to $54.55^{\circ}$ after the intervention (p<.05). As for the comparison results of the cranial-rotation angle, the sling exercise group made an decrease of $-7.73^{\circ}$ from $148.82^{\circ}$ to $141.09^{\circ}$ after the intervention (p<.05). The control group showed no differences before and after the intervention (p>.05). Conclusion: Those findings indicate that the application of sling exercise in the forward head posture can be a good program to maintain the right posture and improve or prevent an abnormal posture and raise a need for more clinical applications and ongoing researches.

Effect of a Five-week Scapular Correction Exercise in Patients with Chronic Mechanical Neck Pain

  • Lee, Kang-Seong
    • The Journal of Korean Physical Therapy
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    • v.32 no.2
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    • pp.126-131
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    • 2020
  • Purpose: The purpose of this study was to compare the change in pain, Neck Disability Index score, and the craniovertebral angle by performing scapular correction exercise or general neck exercise for five weeks in participants with mechanical neck pain. Methods: A total of 31 participants were randomly assigned between the scapular correction exercise and the general neck exercise groups, and all participants performed intervention for 40 minutes each, three times a week for five weeks The effects were evaluated by measuring the Visual Analog Scale score, the Neck Disability Index score, and the craniovertebral angle, before and after the intervention. Independent t-tests were used to compare differences between two groups, and to compare differences between pre- and post-intervention, paired t-tests were used. Results: As measured before and after the intervention, the scapular correction exercise group showed significant improvement in all variables (p<0.05), while the general neck exercise group improved only in the neck disability index score. The differences between the two groups revealed further improvement in the scapular correction exercise group compared to the general neck exercise group (p<0.05). Conclusion: We found that five weeks of the scapular correction exercise to modify the position and movements of the scapula is clinically an important treatment tool for recovery from chronic mechanical neck pain symptoms and restoration of proper neck function.