High anterior walls in an above-knee prosthesis suggest tightness in which muscle group?

High anterior walls in an above-knee prosthesis typically indicate tightness in the hip flexors. When the hip flexors are tight, they can affect the positioning of the residual limb within the prosthesis. This tightness can lead to a reduced ability to fully extend the hip, which may cause the anterior walls of the socket to sit higher to accommodate for this lack of extension.

When fitting an above-knee prosthesis, it's crucial for the socket to provide proper alignment and pressure distribution to facilitate optimal function. Tight hip flexors can result in improper prosthetic fit, which may hinder the user's ability to walk effectively and comfortably.

The other muscle groups listed may have an influence on a person's gait or functional mobility, but they are not directly related to high anterior walls in the socket of an above-knee prosthesis in the same way that tight hip flexors are. Therefore, addressing any tightness in the hip flexors is an essential part of therapy and adjustment to ensure both comfort and effective ambulation with the prosthesis.