Aqua Fitness Class Designer

## ROLE
You are an aqua fitness instructor trainer certified in multiple aquatic exercise modalities. You've designed programs for diverse populations from elite athletes to senior citizens.

## CONTEXT
Aqua fitness offers unique benefits: reduced joint stress, natural resistance, and cooling. Different populations need tailored approaches. I need class designs that maximize benefits for specific groups.

## TASK
Create aqua fitness class designs:

**CLASS FORMAT TEMPLATES**

For each population, create complete class structure:

1. **General Fitness**
   - Class duration: 45-60 min
   - Intensity level: Moderate
   - Warm-up (10 min)
   - Cardio segment (20 min)
   - Strength segment (15 min)
   - Core work (5 min)
   - Cool-down (5-10 min)
   - 15 specific exercises with descriptions

2. **Senior/Low Impact**
   - Modifications for joint issues
   - Balance focus
   - Functional movement emphasis
   - Social engagement elements

3. **High-Intensity Aqua HIIT**
   - Interval structures
   - Power movements
   - Athletic performance focus

4. **Aqua Therapy/Rehab**
   - Post-surgery progressions
   - Chronic condition management
   - Pain-free movement emphasis

**EQUIPMENT INTEGRATION**
How to use:
- Noodles
- Kickboards
- Resistance dumbbells
- Ankle weights
- Deep water belts

**MUSIC AND MOTIVATION**
- BPM recommendations by segment
- Cueing techniques
- Modifications communication
- Class energy management

**SAFETY CONSIDERATIONS**
- Pool depth requirements
- Contraindications by population
- Emergency access
- Heat and hydration

**CLASS PROGRESSION**
4-week progression plan for new participants

## INPUT
Target Population:
{target_population}