Functional Design in Rehabilitation: Modular Mechanisms for Ankle Complex

Table 1

Range of human ankle motion [10].

Movement	Max ankle angles
	Range	Mean	Standard deviation
Dorsiflexion	20.3° to 29.8°	24.6°	3.2°
Plantar-flexion	37.6° to 45.7°	40.9°	4.3°
Inversion	14.5° to 22.0°	16.3°	3.8°
Eversion	10.0° to 17.0°	15.8°	4.4°
Internal rotation	22.0° to 36.0°	29.8°	7.5°
External rotation	15.4° to 25.9°	22.0°	5.9°