Description: |
Instructions
- Have the client stand erect with feet flat on the floor perpendicular to a wall marked with a measuring tape.
- Ask the client to reach as high as possible on the tape with the arm and fingers fully extended, palm towards the wall and feet flat on the floor close to the wall. Record this stand and reach height to the nearest 0.5 cm.
- Next, ask the client to move a safe distance away from the wall (with the hand on the hip, the elbow should barely reach the wall).
- Have the client bring the arms down and back, bending the knees into a balanced semi-squat. The client should pause (1-2 seconds) in the semi-squat position and then jump as high as possible with the arms moving forward and up to touch the tape at the highest point they can reach.
- Instruct the client to concentrate on the tape as they jump as high as possible.
Allow the client three trials, with a rest period of 10-15 seconds between each. No run up, step up or pre-jump is permitted (feet flat on the floor to start).
Scoring and Recording
Subtract the stand and reach measurement from the best of the three jump and reach trials to get the maximum difference.
Calculate Peak Leg Power in watts (W) using the formula:
Peak Leg Power (W) = [60.7 x jump height (cm)] + [45.3 x body mass (kg)] – 2055
Record the Peak Leg Power and the associated Health Benefit Rating on the Client Information Sheet.
Rating |
LEG POWER (Watts) |
15-19 |
20-29 |
30-39 |
40-49 |
50-59 |
60-69 |
M |
F |
M |
F |
M |
F |
M |
F |
M |
F |
M |
F |
Excellent |
≥4644 |
≥3167 |
≥5094 |
≥3250 |
≥4860 |
≥3193 |
≥4320 |
≥2675 |
≥4019 |
≥2559 |
≥3764 |
≥2475 |
Very Good |
4185-4683 |
2795-3166 |
4640-5953 |
2804-3249 |
4389-4859 |
2550-3192 |
3700-4319 |
2288-2674 |
3567-4018 |
2161-2558 |
3291-3763 |
1717-2474 |
Good |
3858-3857 |
2399-2794 |
4297-4939 |
2478-2803 |
3967-4388 |
2335-2549 |
3242-3699 |
2101-2287 |
2937-3566 |
1701-2160 |
2848-3290 |
1317-1717 |
Fair |
3323-3857 |
2156-2398 |
3775-4296 |
2271-2477 |
3485-3966 |
2147-2334 |
2708-3241 |
1688-2100 |
2512-2936 |
1386-1700 |
2383-2842 |
1198-1316 |
Needs Improvement |
≤3322 |
≤2155 |
≤3774 |
≤2270 |
≤3484 |
≤2146 |
≤2707 |
≤1687 |
≤2511 |
≤1385 |
≤2382 |
≤1197 |
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