During which phase does subtalar joint pronation occur?

The phase during which subtalar joint pronation occurs is the midstance phase. This is a critical part of the gait cycle where the foot is flat on the ground after heel strike and before push-off. During midstance, the subtalar joint allows for the necessary eversion and pronation of the foot, which helps with shock absorption and adaptation to varying surfaces. Proper pronation facilitates the distribution of forces across the foot and assists with maintaining balance and stability.

In this phase, the body weight is transferred over the foot, and subtalar joint pronation helps to unlock the midfoot, allowing for greater flexibility and movement, particularly as it prepares for the transition into the push-off phase. Understanding the biomechanics of this phase is crucial for athletic trainers to assess and manage injuries related to improper foot mechanics.