研究報告

一些已公佈的醫學研究顯示了倒吊牽引領域的前景

研究員指出：

使用了倒吊牽引療法後，由於腰背疼痛無法參與工作的患者可以重返工作。
使用倒立療法減少通過背部手術來治療坐骨神經痛的必需性。
倒吊所產生的牽引比醫療用的機械牽引力更為有效。
使用倒吊療法增加脊柱的高度。
使用倒吊牽引療法減少肌電活動（一種顯示肌肉疼痛的指標）。
倒吊所產生的牽引力可以給腰部減壓。
有規律的牽引力可以降低血壓。
使用倒吊牽引療法可以減少椎間盤內的壓力。

有關倒立如何帶來益處的一些醫學研究

來自英國紐卡斯爾泰恩河畔，紐卡斯爾綜合醫院，區域神經科學中心的Manjunath Prasad KS, Gregson BA, Hargreaves G, Byrnes T, Mendelow AD.

將已被確認需要手術治療坐骨神經痛的患者分成兩組。一組接受兩種治療方案，定期地進行倒吊治療並同定期的物理治療。另外一組只接受物理治療。該研究的作者們聲稱：“單節椎間盤突出而引發的坐骨神經痛，在使用了倒吊治療法後，患者需要手術的必要性降至為23%，相比未接受倒吊治療法的患者需要手術的必要性為78%為低。

Sheffield, F.: Adaptation of Tilt Table for Lumbar Traction. Arch Phys Med Rehabilitation; 45: 469-472, 1964. 175 patients who were unable to work due to back pain were treated. After eight inversion treatments, 155 patients were able to return to their jobs full time. Study concluded that the main basis for improvement was the stretching of paraspinal vertebral muscles and ligaments and possibly the widening of intravertebral discs.

Study found significant improvements in a variety of diagnosis including spondylolisthesis, herniated discs, lumbar osteoarthritis with sciatica, and coccygodynia. Patient experienced traction in a modified hip flexed position.

It is worth noting that previous to his use of inversion therapy, Dr. Sheffield regularly used mechanical traction with weights and pulleys. He considered inverted traction much more effective than mechanical traction.

Sheffield, F.: Adaptation of Tilt Table for Lumbar Traction. Arch Phys Med Rehabilitation; 45: 469-472, 1964.

175名由於背部疼痛無法參加工作的患者均接受了治療。經過了8個倒吊療程之後，155名患者可以返回工作崗位全職參與工作。研究結論：患者情況改善的主要原因是因為拉長及伸展了椎旁肌肉和韌帶，並且有可能增加了椎間盤之間的間隙。這份研究發現，倒吊治療法對多種不同的病症都有明顯的改善，這包括：腰椎滑脫、椎間盤突出、腰椎骨關節炎伴有坐骨神經痛、尾骨痛。患者呈松緩的髖關節屈曲的姿勢，即可以感受到牽引力。

值得注意的是，在使用倒吊治療法以前，謝菲爾德博士就曾經常使用重量和滑輪來進行機械牽引。他認為倒吊所產生的牽引力比機械牽引力更有效。

Nosse, L.: Inverted Spinal Traction. Arch Phys Med Rehabilitation; 59: 367-370, Aug 78. Study found EMG activity (an indicator of muscle pain) declined 35% within the first 10 seconds of inversion. Study found that inversion increases the spinal length. Study concluded there is a correlation between a reduction in EMG activity and an increase in spinal length.

Nosse, L.: Inverted Spinal Traction. Arch Phys Med Rehabilitation; 59: 367-370, Aug 78.

這份研究發現，倒吊後10秒鐘內，EMG(肌電活動)下降35%。這份研究發現，倒吊增加脊柱的高度。研究結論：肌電活動的下降和脊柱高度的增加是有關聯的。

Gianakopoulos, G, et al: Inversion Devices: Their Role in Producing Lumbar Distraction. Arch Phys Med Rehabilitation; 66: 100-102, Feb 85. Study found all subjects experienced intravertebral separation in the lower lumbar vertebrae. Study concluded that although mechanical traction has been used for centuries, only gravity-assisted traction (inversion) offers an effective means of achieving pelvic traction at home.

Gianakopoulos, G, et al: Inversion Devices: Their Role in Producing Lumbar Distraction. Arch Phys Med Rehabilitation; 66: 100-102, Feb 85.

這份研究發現，所有（接受試驗的）患者感受了腰椎部椎管內間隙增大。研究結論：儘管機械牽引已經被使用了好幾個世紀，但是只有通過在家中使用受重力輔助的牽引力（倒吊）才能更有效地牽引盆骨。

Ballantyne, Byron, et al: The Effects of Inversion Traction on Spinal Column Configuration, Heart Rate, Blood Pressure, and Perceived Discomfort. Jour. of Orthopedic Sports Phys. Ther. 254-260, Mar 86. Study concluded that inversion can be an effective means of spinal traction. Subjects inverting in the hip flexed position experienced greater separation between the lumbar vertebrae.

研究總結：倒吊可以有效地牽引脊柱。患者呈松緩的髖關節屈曲的姿勢倒立，即可感受到腰椎之間的間隙增大。

Kane, M, et al: Effects of Gravity-facilitated Traction on Intravertebral Dimensions of the Lumbar Spine. Jour of Orthopedic and Sports Phys Ther. 281-288, Mar 85. Study found gravity-facilitated traction (inversion), produces significant intravertebral separation in lumbar spine. Study concluded gravity facilitated traction may be an effective modality in the relief of low back pain.

Kane, M, et al: Effects of Gravity-facilitated Traction on Intravertebral Dimensions of the Lumbar Spine. Jour of Orthopedic and Sports Phys Ther. 281-288, Mar 85.

研究發現，受重力輔助的牽引力（倒立），可以增加腰椎之間的間隙。研究結論：重力輔助的牽引力或許是一種有效的用於緩解腰部疼痛的治療方法。

Goldman, R, et al: The Effects of Oscillating Inversion on Systemic Blood Pressure, Pulse, Intraocular Pressure, and Central Retinal Arterial Pressure. The Physician and Sports Medicine. 13: 93-96, Mar 85. Study concluded that full inversion using oscillation procedure presents no risk to normotensive healthy subjects.

研究結論：完全倒立的情況下在使用前後搖動方式，不會對血壓正常、身體健康的患者有任何危險。

Dimberg, L, et al: Effects of gravity-facilitated traction of the lumbar spine in persons with chronic low back pain at the workplace. 116 people were enrolled in the randomized controlled trial which lasted for 12 months. A randomized controlled trial with two training groups and one control group was conducted to asses the effect of gravity inversion on pain level and absenteeism due to LBP.

Average age = 44 years. 77% men

Group 1: used inversion for 10 minutes 1/day

Group 2: used inversion for 10 minutes 2/day

Group 3: control group

Results after 12 months of training program 1: The employees in Group 1 and 2 decreased sick days due to back pain by 33%. Program 2: Average sick days to due back pain fell by 8 days per individual in the treated group. Program 3: "Inversion is an efficient and cheap way to improve employee health and possibly reduce sick day costs to the employer."

Dimberg, L, et al: Effects of gravity-facilitated traction of the lumbar spine in persons with chronic low back pain at the workplace.

116人參加了隨機對照試驗，這項試驗歷時12個月。通過兩個訓練組和一個對照組的隨機對照試驗，評估了重力倒置對於疼痛程度和因腰部疼痛而休假的影響。

平均年齡：44歲，77%男性

第一組：倒吊十分鐘每天一次

第二組：倒吊十分鐘每天兩次

第三組：對照組

12個月後，訓練計畫1的結果：第一組和第二組的員工由於背部疼痛而要求病假的情況減少了33%。訓練計畫2的結果：因背部疼痛要求病假的平均天數，每個人減少了8天。訓練計畫3的結果：倒吊治療法經濟、有效，可以加強員工的身體健康，或許可以減少因（員工）病假而給雇主帶來的費用。

Nachemson, Alf, et al: Intravital Dynamic Pressure Measurements in Lumbar Discs. 1970. Study measured internal disc pressure (in the 3rd lumbar disc) through a range of activities, including standing, sitting, bending and vertical and supine traction. The study suggests that a traction load of 60% body weight is sufficient to reduce the residual pressure of 25% standing body weight to zero.

Nachemson, Alf, et al: Intravital Dynamic Pressure Measurements in Lumbar Discs. 1970.

測量在一系列的活動時，椎間盤內部的壓力（第三節腰椎間盤），垂直和仰臥時的牽引力。如：站立、坐下、彎曲。這項研究建議，相當於身體重量60%的牽引力足以將站立時相當於身體重量25%的殘壓減至零。

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