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DynaMo Lite Test: Wrist Strength Protocol

Liesl Thrum
  • Updated

Wrist Supination
90° Elbow Flexion - Wrist Neutral Compression

Patient position Seated on a chair with forearm being tested resting on an adjacent table and in a neutral position.
Contact point Dowel gripped in a vertical position.
Device orientation Vertical, in line with dowel.
Position of examiner Seated next to the patient in a position to orientate the DynaMo Lite and apply pressure with two hands on the device.
Instruction Push against the pad as hard as you can. 3, 2, 1 – push, push, push and relax.

Wrist Pronation
90° Elbow Flexion - Wrist Neutral Compression

Patient position Seated on a chair with forearm being tested resting on an adjacent table in a neutral position.
Contact point Dowel gripped in a vertical position.
Device orientation Vertical, in line with dowel.
Position of examiner Seated next to the patient in a position to orientate the DynaMo Lite and apply pressure with two hands on the device.
Instruction Push against the pad as hard as you can. 3, 2, 1 – push, push, push and relax.

Wrist Flexion
90° Elbow Flexion - Wrist Neutral Compression

Patient position Seated adjacent to the bed with their arm being tested resting on the bed and forearm in a neutral position, hand in a clenched fist extending far enough so that the wrist is not supported by the bed.
Contact point Palmar side of clenched fist, along dorsal surface of the middle phalanx.
Device orientation Horizontal, with the examiner supporting the flat surface and the pad in contact with the patient.
Position of examiner Seated adjacent to, and slightly in front of the patient, holding the DynaMo Lite with one hand and supporting the patient's forearm with the other.
Instruction Push against the pad as hard as you can. 3, 2, 1 – push, push, push and relax.

Wrist Extension
90° Elbow Flexion - Wrist Neutral Compression

Patient position Seated adjacent to the bed with their arm being tested resting on the bed and forearm in a neutral position, hand in a clenched fist extending far enough so that the wrist is not supported by the bed.
Contact point Dorsal surface of hand.
Device orientation Horizontal, with the examiner supporting the flat surface and the pad in contact with the patient.
Position of examiner Seated adjacent to, and slightly in front of the patient, holding the DynaMo Lite with one hand and supporting the patient's forearm with the other.
Instruction Push against the pad as hard as you can. 3, 2, 1 – push, push, push and relax.

Wrist Ulna Deviation
90° Elbow Flexion - Wrist Neutral Compression

Patient position Seated adjacent to the bed with their arm being tested resting on the bed and forearm in a neutral position, and hand extending far enough so that the wrist is not supported by the bed.
Contact point Ulnar aspect of the fist, in contact with the lateral aspect of the 5th digit and hypothenar eminence.
Device orientation Horizontal, with the examiner supporting the flat surface and the pad in contact with the patient.
Position of examiner Seated adjacent to the patient, with one hand supporting the DynaMo Lite and the other supporting the patient's forearm, just proximal to the wrist.
Instruction Push against the pad as hard as you can. 3, 2, 1 – push, push, push and relax.

Wrist Ulna Deviation
90° Elbow Flexion - Wrist Supinated Compression

Patient position Seated adjacent to the bed with their arm being tested resting on the bed and forearm in a supinated position, hand in a clenched fist extending far enough so that the wrist is not supported by the bed.
Contact point Ulnar aspect of the fist, in contact with the lateral aspect of the 5th digit and hypothenar eminence.
Device orientation Horizontal, with the examiner supporting the flat surface and the pad in contact with the patient.
Position of examiner Seated adjacent to, and slightly in front of the patient, holding the DynaMo Lite with one hand and supporting the patient's forearm with the other.
Instruction Push against the pad as hard as you can. 3, 2, 1 – push, push, push and relax.

Wrist Ulna Deviation
90° Elbow Flexion - Wrist Pronated Compression

Patient position Seated adjacent to the bed with their arm being tested resting on the bed and forearm in a pronated position, hand in a clenched fist extending far enough so that the wrist is not supported by the bed.
Contact point Ulnar aspect of the fist, in contact with the lateral aspect of the 5th digit and hypothenar eminence.
Device orientation Horizontal, with the examiner supporting the flat surface and the pad in contact with the patient.
Position of examiner Seated adjacent to, and slightly in front of the patient, holding the DynaMo Lite with one hand and supporting the patient's forearm with the other.
Instruction Push against the pad as hard as you can. 3, 2, 1 – push, push, push and relax.

Wrist Radial Deviation
90° Elbow Flexion - Wrist Neutral Compression

Patient position Seated adjacent to the bed with their arm being tested resting on the bed and forearm in a neutral position, and hand extending far enough so that the wrist is not supported by the bed.
Contact point Radial aspect of the fist, in contact with the lateral aspect of the index finger and thumb.
Device orientation Horizontal, with the examiner supporting the flat surface and the pad in contact with the patient.
Position of examiner Seated adjacent to the patient, with one hand supporting the DynaMo Lite and the other supporting the patient's forearm, just proximal to the wrist.
Instruction Push against the pad as hard as you can. 3, 2, 1 – push, push, push and relax.

Wrist Radial Deviation
90° Elbow Flexion - Wrist Supinated Compression

Patient position Seated adjacent to the bed with their arm being tested resting on the bed and forearm in a supinated position, hand in a clenched fist extending far enough so that the wrist is not supported by the bed.
Contact point Radial aspect of the fist, in contact with the lateral aspect of the index finger and thumb.
Device orientation Horizontal, with the examiner supporting the flat surface and the pad in contact with the patient.
Position of examiner Seated adjacent to, and slightly in front of the patient, holding the DynaMo Lite with one hand and supporting the patient's forearm with the other.
Instruction Push against the pad as hard as you can. 3, 2, 1 – push, push, push and relax.

Wrist Radial Deviation
90° Elbow Flexion - Wrist Pronated Compression

Patient position Seated adjacent to the bed with their arm being tested resting on the bed and forearm in a pronated position, hand in a clenched fist extending far enough so that the wrist is not supported by the bed.
Contact point Radial aspect of the fist, in contact with the lateral aspect of the index finger and thumb.
Device orientation Horizontal, with the examiner supporting the flat surface and the pad in contact with the patient.
Position of examiner Seated adjacent to, and slightly in front of the patient, holding the DynaMo Lite with one hand and supporting the patient's forearm with the other.
Instruction Push against the pad as hard as you can. 3, 2, 1 – push, push, push and relax.

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