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Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_4 | Pages 26 - 26
1 Jan 2013
Tilbrook H Cox H Hewitt C Chuang L Jayakody S Kanǵombe A Aplin J Semlyen A Trewhela A Watt I Torgerson D
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Purposes of the study and background

Smaller studies indicate that yoga may be an effective treatment for chronic low back pain. We conducted a randomised trial to evaluate if yoga compared to usual care improves back function in patients with chronic or recurrent low back pain.

Summary of the methods used and the results

Outcomes were assessed by postal questionnaires. The setting was 13 non-National Health Service premises. We recruited 313 adults with chronic or recurrent low back pain from primary care. 157 were randomised to usual care. 156 were randomised to a 12-class, gradually-progressing programme of yoga delivered by 12 teachers over three months. All received The Back Book.

Primary outcome was back function (Roland Morris Disability Score) at three months. Secondary outcomes: back function at six and 12 months, back pain, pain self-efficacy and general health.

Back function improved more in the yoga group: mean difference in changes from baseline at three (−2.17, 95% CI −3.31 to −1.03, p<0.001), six (−1.48, 95% CI −2.62 to −0.33, p=0.011) and 12 months (−1.57, −2.71 to −0.42, p=0.007). Improvement in pain self-efficacy at three and six months in the yoga group. No differences in general health and pain reduction.

Two adverse events were reported by controls and 12 by the yoga group – 8 out of 12 reported pain which may have been due to yoga. 63 (40%) were not fully compliant with treatment and 23 (15%) did not attend any yoga classes.


The Journal of Bone & Joint Surgery British Volume
Vol. 78-B, Issue 3 | Pages 452 - 457
1 May 1996
Johnson DP Wakeley CJ Watt I

The radiological and MRI appearances of 24 knees with patellar tendonitis resistant to conservative therapy were analysed to identify the characteristic MRI appearance and to determine if the patellar morphology was abnormal. A significant thickening of the tendon was found in all cases; this was a more reliable diagnostic feature than a high signal within the superior posterior and central aspect of the tendon at its proximal attachment

The site of the lesion shown by MRI is more compatible with impingement of the inferior pole of the patella against the patellar tendon than a stress overload of the tendon. There were no significant differences in the length of the patella, inferior pole or length of the articular surface when the patellar morphology was compared with that of a matched control group.


The Journal of Bone & Joint Surgery British Volume
Vol. 73-B, Issue 4 | Pages 539 - 550
1 Jul 1991
Watt I


The Journal of Bone & Joint Surgery British Volume
Vol. 70-B, Issue 5 | Pages 807 - 811
1 Nov 1988
Maurice H Crone M Watt I

We reviewed 53 cases of synovial chondromatosis and compared their clinical, radiological and pathological features. A radiological diagnosis is possible with increasing frequency as the disease progresses; in the early phase arthrography is helpful. Radiologically the disease may be classified as either extra-articular, or intra-articular; the intra-articular variety may be localised or generalised. Recurrence after operation was seen in 11.5% and was much the same after either synovectomy or simple removal of loose bodies. A protocol for treatment is proposed.


The Journal of Bone & Joint Surgery British Volume
Vol. 69-B, Issue 3 | Pages 448 - 452
1 May 1987
Maurice H Newman J Watt I

This paper reports the results of bone scans on 78 painful feet. Scanning helped in the diagnosis of persistent foot pain following injury and it enabled stress fractures, fractures of the sesamoids and subtalar arthritis to be diagnosed earlier. It reliably excluded bone infection and was useful as a screening test when radiographs were normal.


The Journal of Bone & Joint Surgery British Volume
Vol. 67-B, Issue 4 | Pages 520 - 529
1 Aug 1985
Watt I


The Journal of Bone & Joint Surgery British Volume
Vol. 65-B, Issue 5 | Pages 608 - 611
1 Nov 1983
Norris S Watt I

Injury of the neck may result when a motor vehicle is run into from behind; such injury is frequently the cause of prolonged disability and litigation. We report a series of 61 patients with these injuries. A classification, based upon the presenting symptoms and physical signs has been evolved. This classification is shown to be a reliable basis for formulating a prognosis. Factors which adversely affect prognosis include the presence of objective neurological signs, stiffness of the neck, muscle spasm, and pre-existing degenerative spondylosis.


The Journal of Bone & Joint Surgery British Volume
Vol. 65-B, Issue 4 | Pages 474 - 477
1 Aug 1983
Ross D Dieppe P Watt I Newman J

Five elderly patients with chronic pyrophosphate arthropathy developed stress fractures of the tibia. All patients had deformed, painful knees with the result that their increasing symptoms were not readily attributed to a stress fracture. Such a possibility should be considered in patients with chronic pyrophosphate arthropathy since early recognition makes management of the stress fracture easier.


The Journal of Bone & Joint Surgery British Volume
Vol. 61-B, Issue 4 | Pages 435 - 442
1 Nov 1979
Sikorski J Peters J Watt I

A new radiological technique is presented in which serial axial radiographs of the patellofemoral joints are taken under conditions in which the muscles about the knee and hip are contracted in a manner similar to that during weight-bearing. A form of analysis has been developed whereby patellar rotation can be measured in two planes and femoral rotation about its long axis inferred. A population of asymptomatic adults and children was investigated in this way and their results (regarded as normal) compared with those in fifteen children with idiopathic chondromalacia patellae. In the normal child the femur rotates medially with the onset of muscle activity; by contrast the children with chondromalacia show a reversal of this mechanism.