What is Sashtanga / Ashtang Namaskar ( साष्टाङ्ग / अष्टाङ्ग प्रणाम ) And why are Women advised to do “PANCHANG NAMASKAR” only 1- Sashtanga Nam

What is Sashtanga / Ashtang Namaskar ( साष्टाङ्ग / अष्टाङ्ग प्रणाम ) And why are Women advised to do “PANCHANG NAMASKAR” only 1- Sashtanga Nam