Hatha (Haht-ha) yoga also known as a slow flow is a variation of vinyasa yoga.
Poses are typically held longer, anywhere from 30 seconds to 1 minute, sometimes longer.
The overall pace of the class is slower so it can present as a calmer, yet energizing environment.

Hatha yoga can be considered and isometric exercise because you are holding a position without moving your muscles which strengthens a specific muscle or group of muscles.

Hatha emphasizes controlled, conscious breathing. This will help expand your lung capcity, strengthening your lungs, increasing your endurance, Improving your oxygenated blood circulation and allowing for overall better physical performance.

Benefits❤️
Stress reduction
Reduced depression symptoms
Muscle and joint flexibility
Improved core strength
Increased balance and coordination
Breath control
Promotes relaxation
Reduce lactic acid build-up in muscles
Better immune system functioning

Hatha yoga may be a better fit if you:
👉are new to yoga
👉have a lower level of fitness
👉want to focus on your core strength or posture
👉want to maximize stress reduction
👉prefer a slower, more relaxed pace

Resources:
https://www.healthline.com/health/exercise-fitness/hatha-vs-vinyasa#differences

https://www.mayoclinic.org/healthy-lifestyle/fitness/expert-answers/isometric-exercises/faq-20058186

https://www.scientificamerican.com/article/proper-breathing-brings-better-health/

https://www.betterhealth.vic.gov.au/health/healthyliving/breathing-to-reduce-stress