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.
Hip a possibility: First, its very difficult to tell without a physical examination and review of your imaging. Arthritis in your hips can often present as groin pain. Hip arthritis would be exacerbated by certain exercise as well. Compression of your lateral femoral cutaneous nerve can also cause nerve pain/shocks.