Rom of joints of lower limb

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normal range of motion lower limb joints hip knee ankle authoritative

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Normal range of motion (ROM) of lower-limb joints
Values are approximate adult clinical norms, measured from the anatomical neutral position (0°). Small variation occurs with age, sex, technique, and activity level.

Joint	Movement	Normal ROM
Hip	Flexion	0-120°
	Extension	0-20°
	Abduction	0-45°
	Adduction	0-30°
	Medial/internal rotation	0-45°
	Lateral/external rotation	0-45°
Knee	Flexion	0-135°
	Extension	0° (some people have 5-10° hyperextension)
Ankle (talocrural)	Dorsiflexion	0-20°
	Plantar flexion	0-50°
Subtalar/foot	Inversion	0-35°
	Eversion	0-15°
Great toe, 1st MTP	Flexion	0-45°
	Extension	0-70°
Toes, MTP joints 2-5	Flexion	0-40°
	Extension	0-40°

For quick examination documentation, write for example: Hip: F 120°, Ext 20°, Abd 45°, Add 30°, IR/ER 45°; Knee: 0-135°; Ankle: DF 20°, PF 50°.

Population-based reference values can differ from these conventional examination values. The CDC joint-ROM data show ROM also changes with age and sex.

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