Lower Extremity Salvage with Thoracodorsal Artery Perforator Free Flap in Condition of Symmetrical Peripheral Gangrene

Table 2

Functional Ambulation Classification (FAC) assessment scale levels.

FAC level	Ambulation description	Definition
1	Nonfunctional	Unable to ambulate
2	Dependent, level II	Requires manual contact of one person during ambulation on level surfaces; Manual contact is continuous and necessary to support body weight and/or to maintain balance or assist coordination
3	Dependent, level II	Requires manual contact of one person during ambulation on level surfaces; Manual contact is continuous or intermittent light touch to assist balance or coordination
4	Dependent, supervision	Ambulation occurs on level surfaces without manual contact of another person; Requires stand-by guarding of one person because of poor judgement, questionable cardiac status, or the need for verbal cuing to complete the task
5	Independent, level surfaces only	Ambulation is independent on level surfaces; Requires supervision/physical assistance to negotiate stairs, inclines, or unlevel surfaces
6	Independent, level and nonlevel surfaces	Ambulation is independent on unlevel and level surfaces, stairs, and inclines