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Table 2 Grip strength comparisons within- and between- groups.

From: Grip strength measurements at two different wrist extension positions in chronic lateral epicondylitis-comparison of involved vs. uninvolved side in athletes and non athletes: a case-control study

Group Wrist extension position
(in degrees)
Side of testing.
Symptomatic- S
Asymptomatic- AS
Grip strength in pound sq.inch
(Mean ± SD)
Comparison within-group between sides and between positions.
Mean difference
(Mean ± SD)
Comparison between athletes and non-athletes.
Mean difference
(Mean ± SD)
Athletes 15° S 1 27.75 ± 4.2 S1S2
2.5 ± .67
S1S3
11.3
   AS 1 31 ± 3.7 S1AS1
2.25 ± .95
 
  35° S 2 25.25 ± 3.53 S2AS2
.75 ± .86
S2S4
11.07
   AS 2 27 ± 2.13 AS1AS2
4 ± 1.57
 
Non-athletes 15° S 3 16.45 ± 4.2 S3S4
2.27 ± .67
AS1AS3
10.1
   AS 3 20.90 ± 3.7 S3AS3
4.44 ± .95
 
  35° S 4 14.18 ± 3.53 S4AS4
4.44 ± .86
AS2AS4
8.37
   AS 4 18.63 ± 2.13 AS3AS4
2.27 ± 1.57
 
  1. Within-group comparison was done between symptomatic and asymptomatic sides at both 15 and 35 degrees wrist extension positions and between-group comparison was done between athletes and non-athletes.
  2. Kgm- kilograms-force (units)
  3. *- significant at p value < .05
  4. NS- not statistically significant.