The phrase "right foot" refers to starting something in a positive and confident way. It means beginning an activity or journey with a good mentality and enthusiasm. Full definition
Lift left foot and, keeping weight on right foot, hop across the string (B) and back. (health.com)
His first came via the spot while his second was a tap in from close range with his third goal coming ten minutes from full time courtesy of a well hit right footed shot. (owngoalnigeria.com)
Your right knee should be bent with right foot planted on the floor. (pumpsandiron.com)