What is the longest phase in the normal gait cycle?

The midstance phase is indeed the longest phase in the normal gait cycle. During this phase, the body’s weight is predominantly transferred over the foot that is in contact with the ground. This period begins when the opposite foot leaves the ground and lasts until the heel of the weight-bearing foot begins to lift off.

In midstance, the body is effectively balanced on one foot, which allows for stability and support as the other leg prepares to initiate the swing phase. This phase is crucial for maintaining balance and supporting body weight, contributing to a smooth and efficient walking pattern.

Additionally, compared to other phases of gait, the midstance phase encompasses a longer duration due to the need for the pelvis and the trunk to align and stabilize as weight shifts from one limb to the other. This contrasts with the contact phase being relatively short as it primarily involves initial foot strikes and quick transitions, while both the propulsive phase and swing phase generally occur more rapidly as the foot leaves the ground and prepares for the next step. Thus, midstance is essential for durability and control throughout the walking cycle, affirming its status as the longest phase.