Running Form Analysis Checklist

Help me analyze and improve my running form. Here's what I've noticed:

Current observations:
- Head position: [forward, neutral, looking down]
- Arm swing: [describe]
- Foot strike: [heel, midfoot, forefoot, unsure]
- Cadence: [steps per minute if known]
- Issues I've noticed: [bouncing, overstriding, etc.]
- Pain points during running: [any discomfort areas]
- Video available: [yes/no - can describe what you see]

Please provide:
1. Checklist of proper running form elements
2. Common form mistakes and corrections
3. Drills to improve form (with descriptions)
4. Cadence recommendations
5. How to gradually implement changes
6. Form cues to focus on during runs
7. When form typically breaks down