Utility of the iPhone 4 Gyroscope Application in the Measurement of Wrist Motion

Abstract

Correct measurement of ROM is critical to guide, compare, and evaluate treatment and rehabilitation of the upper extremity. Inaccurate measurements could mislead the surgeon and harm patient adherence with therapy or surgeon instruction. An application used by the patient could improve adherence but needs to be reliable and easy to use. Evaluation is necessary before utilization of such an application. This study supports revision of the application on the iPhone to improve ease of use.

Reliability and validity of clinically accessible smartphone applications to measure joint range of motion: A systematic review

“…A critical appraisal of the included articles is summarised in Table 2. The percentage of CAT score ranged from 55% [65] to 100% [32]. Papers with ‘NA’ in their appraisal were not assessed against that particular criteria.…”

“…Papers with ‘NA’ in their appraisal were not assessed against that particular criteria. Two studies were considered to be of low quality with a score < 60% [53, 55], with another one study close to this criteria with an overall quality score of 62% [38]. Only two of the CAT criteria were achieved in less than 50% of the studies (Criteria Six: Order of Examination and Criteria 13: Statistical Methods).…”

“…Twenty of 25 studies observed excellent/substantial relative validity as defined by ICC > 0.75, r > 0.9 or CCC > 0.95 for more than 50% of the joint movements examined, with five studies not meeting this threshold for this criteria [28, 30, 36, 45, 54]. Seventeen of 23 studies observed excellent/substantial absolute validity as defined by SEM or MDC < 5 o or LOA < ± 9.8 o for more than 50% of the joint movements they examined, with six studies not meeting this threshold of absolute validity [27, 34, 36, 42, 53, 57].…”

“…The current study also appears to be the first systematic review on this topic to use a validated tool to assess the included studies’ methodological quality. By performing this assessment of study quality, it was determined that only two of the 37 studies were considered to be of low quality, based on a CAT score of less than 60% [53, 55]. Further, only two of the 13 CAT criteria were achieved in less than 50% of the studies (Criteria Six: Order of Examination and Criteria 13: Statistical Methods).…”

Intelligent Rehabilitation Assistance Tools for Distal Radius Fracture: A Systematic Review Based on Literatures and Mobile Application Stores

“…Distal fractures of the radius might often involve with the wrist [ 29 , 30 ], which would limit the range of movement (ROM) between the forearm and wrist in multiple motor planes, including wrist flexion and extension, carpal ulnar deflection, and forearm pronation [ 31 , 32 ]. Hence, the ROM would be more accurate when determining the recovery process of DRF [ 11 ]. The angle measurement involved in this article mainly measures the range of motion and angle in two ways.…”