Original article
The effect of degenerative arthritis and prosthetic arthroplasty on shoulder proprioception

https://doi.org/10.1016/j.jse.2004.07.009Get rights and content

The effect of glenohumeral arthritis and subsequent total shoulder arthroplasty (TSA) on shoulder proprioception has not been evaluated previously. A prospective analysis of 20 consecutive patients with unilateral advanced glenohumeral arthritis who underwent TSA was undertaken. Shoulder proprioception testing for passive position sense and detection of motion was performed 1 week before surgery and 6 months after TSA. The presence of glenohumeral arthritis had a significant effect on position sense for all 3 planes tested (flexion, abduction, and external rotation). There were significant differences (P < .05) compared with the uninvolved shoulder and with a group of 20 age- and gender-matched subjects without a history of shoulder problems. Six months after TSA, position sense was significantly improved (P < .05) and was not significantly different from that in the contralateral shoulder or the comparison group. Detection of motion was also significantly worse in the arthritic group compared with that in the uninvolved contralateral side (P < .05). Six months after TSA, the sensitivity to detection of motion improved (P < .01) and was not significantly different than that in the uninvolved contralateral shoulder. In addition, the postoperative values for the involved shoulder were not significantly different than those in the age- and gender-matched comparison group. This study demonstrates a significant decrease in proprioceptive function in patients with advanced glenohumeral arthritis. After TSA, there was a marked improvement in proprioception.

Section snippets

Patients and methods

Twenty consecutive patients with unilateral advanced glenohumeral arthritis underwent proprioception testing consisting of evaluation for passive position sense and detection of motion by use of a standardized protocol. Testing was performed within 1 week before and 6 months after TSR for unilateral glenohumeral osteoarthritis. The mean age was 69.8 years (range, 57–83 years). The dominant side was involved in 11 patients. There were 12 men and 8 women.

Twenty age-matched and gender-matched

Results

Osteoarthritis had a significant effect on position sense for all 3 planes tested (Table I). The uninvolved shoulder was able to reproduce a set angle of flexion, abduction, and external rotation within 5.2°, 5.4°, and 5.8°, respectively. The osteoarthritic shoulders were unable to reproduce the test angle as closely, averaging 7.1°, 7.3°, and 8.2°, respectively, in the 3 planes tested (P < .05). Six months after successful total shoulder arthroplasty, there was significant improvement (P <

Discussion

Although no previous work has been reported concerning proprioception in glenohumeral arthritis or TSR, studies have examined the effect of osteoarthritis and total joint replacement on proprioception of the hip7 and, more recently, of the knee.3, 16 Grigg et al7 studied proprioception in 16 total hip replacement patients preoperatively and postoperatively. They concluded that, because joint position sense persisted postoperatively after total capsulectomy and replacement of articular surfaces,

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    Citation Excerpt :

    Studies analyzing the evolution of the proprioception after shoulder arthroplasty are rare. Cuomo et al. 12 analyzed the proprioception for total shoulder arthroplasty, Kasten et al. 13 for different shoulder implants, and Maier et al. 14 for TSA and hemiarthroplasty. Cuomo et al. examined their patients one week before and six months after surgery.

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