This blog provides relevant research discussing various grip positions, the muscles worked with the lat pulldown, and proper form of the movement.
The Lat Pulldown: Benefits, How-To, and Muscles Worked
Health & Fitness Blog - NASM (37)
Puxada no pulley com pegada invertida supinada e distância normal - Como fazer e erros comuns - MundoBoaForma
Pull-down (exercise) - Wikipedia
Proper Form for a Lat Pulldown
What Muscles Does The Lat Pulldown Work? Lat Pulldown Muscles
Front Vs. Rear Pull-Downs: Which Is Better?
Puxada em pé com a toalha - Como fazer e erros comuns - MundoBoaForma
Lat Pulldown Machine: Muscles Used, Benefits and Common Mistakes
PDF) A Comparative Analysis and Technique of the Lat Pull-down
Community Medical Centers - What is the Best Lat Pull Down Variation?
Is there any advantage of doing pull-ups vs lat pull-downs all