Description

Test Criteria

Lateral of index and middle fingers

• patient seated alongside table
• hand is pronated and then medially rotated further to keep the lateral aspect of the index finger in contact with cassette
• index finger is in extension while the middle finger is slightly flexed at metacarpophalangeal joint so as to avoid superimposition (only if imaging of this finger is required, otherwise it should be fully flexed, see Figure 1)
• other fingers are fully flexed

Lateral of ring and little fingers

• patient seated alongside the table
• medial aspect of the extended little finger is kept in contact with cassette while ring finger is slightly flexed at metacarpophalangeal joint to avoid superimposition (only if ring finger requires imaging, otherwise it should be fully flexed, see Figure 2)
• rest of the fingers are fully flexed