6.2 Disadvantages

1. It need upper limb strength and coordination.

6.3 Measurement for axillary crutches

Ambulatory Devices: Assessment and Prescription DOI: http://dx.doi.org/10.5772/intechopen.89886

Diagram of different axillary crutch walking.

[1, 2, 4, 5, 32].

73

Figure 9.

There are several techniques of estimating and predicting axillary crutch

techniques, arm span techniques and foot-anterior axillary fold linear techniques

length for users. The following techniques can be used: foot-head linear


Ambulatory Devices: Assessment and Prescription DOI: http://dx.doi.org/10.5772/intechopen.89886

Figure 9. Diagram of different axillary crutch walking.

#### 6.3 Measurement for axillary crutches

There are several techniques of estimating and predicting axillary crutch length for users. The following techniques can be used: foot-head linear techniques, arm span techniques and foot-anterior axillary fold linear techniques [1, 2, 4, 5, 32].

6.1 Advantages

Axillary crutch and its features.

Figure 8.

Prosthesis

6.2 Disadvantages

72

2. It is used to improve balance.

3. It is used to improve lateral stability.

1. It need upper limb strength and coordination.

4. It can be used for stair climbing.

2. It need some trunk support.

3. It need good trunk stability.

1. It is used to reduce weight bearing on one lower limb.

• 75% of arm span of user is estimated to predict axillary crutch length.

crutch length.

crutch length.

length.

length.

Table 2.

75

Prediction of axillary crutch length (courtesy [32]).

axillary crutch length.

Ambulatory Devices: Assessment and Prescription DOI: http://dx.doi.org/10.5772/intechopen.89886

6.6 Foot-anterior axillary fold linear techniques

axillary crutch length (Table 2).

• Arm span minus 16 inches (40.6 cm) of user is estimated to predict axillary

• Olecranon to Middle Finger of other hand of user is estimated to predict

• Anterior axillary fold to heel of foot of user is estimated to predict axillary

• AAF to heel of footwear (2.54 cm) of user is estimated to predict axillary crutch

• AAF to 15.2 cm lateral to heel of user is estimated to predict axillary crutch

• AAF to 15.2 cm lateral to footwear (2.54 cm) of user is estimated to predict

#### Figure 10.

Crutch placement (to support the affected limb) during stair case climbing using axillary crutches.


### Table 1.

Available standard crutch length.
