While there is more work involved in using this method, it provides results that are as accurate and consistent as any of the other methods as long as reasonable care is taken. You will need the following items:

1.         An assistant.

2.         Roll of masking tape (1” wide).

3.         Marker with a fine tip.

4.         A tape measure (steel, not cloth) preferably metric.

5.         Note book with a 1 inch binder.

6.         A hard surface next to a door or wall with glossy or semi gloss paint.

7.         Start by placing a strip of masking tape vertically on the back of the bathroom door or some other convenient location.

Height

1.         Standing with your back to the wall, place the spine of the book horizontally from your head to the wall.

 2.         Have your assistant insure that the bottom cover of the book is against the tape on the wall.

3.         Have your assistant place a mark on the tape at the bottom of the book.

Crotch Height

1.         Stand facing the wall with the notebook between your legs, spine up.

2.         Place the bottom edge of the binder against the wall. Hold the binder with one finger inserted in the binder in back of you and holding the binder between the thumb and forefinger of the other hand in front of you.

3.         Pull up firmly with both hands while your assistant insures that the base of the binder remains in contact with the wall.

4.         Have your assistant place a mark on the tape along the spine of the binder.

Sternal Notch Height

1.         Still facing the wall, place the non-writing end of the marker on the sternal notch (the slight depression between the clavicles).

2.         Have your assistant insure that the marker is level.

3.         Place a mark on the tape.

Arm Length

1.         Stand with your hip and ribcage against the edge of an open door.

2.         Place your arm behind the door level to the floor.

3.         Have your assistant place a length of masking tape horizontally at the same height as your hand.

4.         Grip a pencil in your hand and place a mark on the tape.

5.         Measure the distance from the edge of the door to the mark.

6.         Add ½ inch or 12.7 mm and record this measurement.

Forearm Length

1.         Place your elbow on a table (arm wrestling position).

2.         Place the spine of the binder in your hand with the spine level.

3.         Have your assistant measure from the spine to the table.

4.         Subtract ½ inch or 12.7 and record this measurement.

Knee Height

1.         Sit in a chair with your legs parallel to the wall.

2.         Position yourself so that your ankle bone is centered on the tape placed previously.

3.         Slide forward or back in the chair so that the face of your kneecap is 1.5 inches or 4 centimeters past the center of the tape.

4.         Place the binder with the base against the tape on the wall and the spine down resting on your knee.

5.         Have your assistant place a mark on the tape under the spine of the binder.

6.         NOTE: check both legs carefully. Any significant difference in knee height should be compensated for by the use of orthotic devices. Use the larger of the two knee heights as the Knee Height input

Foot Length

1.         Stand with your heels against the wall.

2.         Have your assistant measure the distance from the wall to the end of your longest toe.

Measure the height of each mark above the floor, and record them.

Thigh Length

The thigh length is not entered on the measurement form, but is used to confirm the accuracy of the crotch height. A calculated value is provided on the crank length section of the Accufit Parameters form. If the calculated value does not match your actual thigh length, you will need to return to the measurement form and adjust the crotch height value

How to Measure Thigh Length

1.         Find the head of the femur (greater trocanter). This is the bony protuberance (lump) at the top of the thigh bone (on the side). You will know when you have found it when you can lift the knee and the point stays stationary, but you can feel the bone moving under the skin.

2.         The center of the knee is easier to locate. With the subject standing, locate the center of the knee cap (patella). At that height, move your fingers around to the outside of the knee joint about midway between the knee cap and the back of the knee. You should be able to feel the depression between the lower part of the femur (lateral epicondyle) and the head of the tibia (lateral condyle).

3.         If necessary, mark these two points with a washable marker, and measure the distance between the two points.

This file © Bill Boston Cycles 5/23/2002

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Copyright (C) 2007 Alain Georgette / Copyright (C) 2006 Frantisek Hliva. All rights reserved.