OPERATIONALISATION

Measurement of Grip strength 

Instrument used: Jamar Hand held dynamometer

Arm position

• In sitting
• Shoulder adducted and neutrally rotated
• Elbow 90 degrees flexion
• Forearm and wrist in neutral position

Placement of dynamometer

·         The handle of the dynamometer will be adjusted properly.

·         The base of the dynamometer should rest on first metacarpal and the handle should rest on middle of four fingers

Dynamometer Calibration: 
This instrument is calibrated at the factory by loading it at the center with weight and making appropriate adjustments in the gauge. (From Jamar instruction manual)

Before each measurement:
Rotate the needle counter-clockwise to 0 after each measurement

Recording of measurement:
The peak hold needle will automatically record the highest force the person has exerted

Measurement of forearm circumference

Instrument used: Butterfly brand measuring tape





Placement of measuring tape: 
2 fingers spacing away from the elbow crease, based on each individual. Ensure that the tape is not too tight or too loose and is lying flat on the skin.