Which of the following is most essential for infants to begin creeping or crawling to explore their environment?

• A. Understanding object permanence
• B. Sufficient muscle strength and motor coordination in the arms and legs
• C. Fully developed fine motor skills in the fingers
• D. Ability to speak simple words

Answer: (B)

Verified step by step guidance

1. Step 1: Understand the developmental milestones related to infant motor skills, focusing on gross motor skills such as crawling and creeping, which involve large muscle groups.
2. Step 2: Recognize that creeping or crawling requires physical capabilities, specifically sufficient muscle strength and motor coordination in the arms and legs, to support movement and balance.
3. Step 3: Differentiate between gross motor skills (like crawling) and fine motor skills (like finger movements), noting that fine motor skills are not essential for crawling.
4. Step 4: Consider cognitive abilities such as understanding object permanence or language skills, and evaluate their relevance to the physical act of crawling.
5. Step 5: Conclude that while cognitive skills are important for overall development, the most essential factor for infants to begin creeping or crawling is having adequate muscle strength and motor coordination in their limbs.