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Table 5 Summary of studies using Manual Muscle Testing (MMT)

From: Power grip, pinch grip, manual muscle testing or thenar atrophy – which should be assessed as a motor outcome after carpal tunnel decompression? A systematic review

   

Muscle tested

 

Study

Scale

Gra-ding

APB

OP

Results reported as

Agee et al., 1992 [9]

MRC

1–5

not specified

 

% pf patients testing normal

Brown et al. 1993 [10]

AOA

0–5

 

Mean and SD pre-op and post-op

Ferdinand & Maclean 2002 [22]

MRC

0–5

NR

Leinberry et al., 1997 [15]

NR

3–5

 

Mean and range pre-op and post-op

Mackinnon et al., 1991 [8]

MRC

0–5

Number of hands

Nakamichi & Tachibana 1997 [17]

NR

0–5

 

Mean and SD pre-op and post-op

Shum et al., 2002 [21]

NR

NR

not specified

 

NR

Trumble et al., 2002 [20]

AOA

0–5

 

NR

  1. MRC = Medical Research Council
  2. NR = Not Reported
  3. SD = Standard Deviation
  4. AOA = American Orthopedic Association
  5. APB = Abductor Pollicis Brevis
  6. OP = Opponens Pollicis