Lacustrine systems include all wetland and deepwater habitats associated with depressions or damned channels greater than 8 ha in area, and which have less than 30% of their area dominated by trees, shrubs, or emergent vegetation.
There are a wide variety of conditions that can cause thigh pain. For example, thigh pain can be caused by physical activity, injury, or age-related wear and tear on the hips and knees, which may cause pain or discomfort in the thigh area near the joint.
Piriformis syndrome can cause nerve pain in the hip and leg. Spine Universe states that the piriformis muscle runs from the sacrum, or the base of the spine, to the bony prominence on the upper part of the femur or thigh bone.