Table 2.
Correlation Between Strength and Age, Weight, Height, and BMI.
| Strength in Abduction (90°, Plane of Scapula) | Strength in Abduction (Arm at Side) | Strength in Forward Flexion (90°) | Strength in External Rotation (Arm at Side) | Strength in Bear Hug | Strength in Adduction (90°) | Degrees of External Rotation (Arm at Side) | |
|---|---|---|---|---|---|---|---|
| Age | |||||||
| Correlation value | −0.42331 | −0.30873 | −0.41094 | −0.31532 | −0.18644 | −0.19368 | −0.16923 |
| P value | .0008 | .0083 | .0002 | .0062 | .117 | .1416 | .1467 |
| Weight (lbs) | |||||||
| Correlation value | 0.32583 | 0.40305 | 0.24826 | 0.3013 | 0.2898 | 0.38062 | −0.17439 |
| P value | .0118 | .0004 | .0317 | .0091 | .0123 | .0029 | .1345 |
| Height (in) | |||||||
| Correlation value | 0.42409 | 0.36263 | 0.3436 | 0.36389 | 0.31105 | 0.44574 | 0.00002 |
| P value | .008 | .0019 | .0027 | .0016 | .0074 | .0004 | .998 |
| BMI | |||||||
| Correlation value | 0.10534 | 0.19487 | 0.05525 | 0.08718 | 0.07844 | 0.19401 | −0.20809 |
| P value | .4272 | .1034 | .6401 | .4633 | .5095 | .1409 | .0752 |
Abbreviation: BMI, body mass index.