7. Type of development where control of core muscles develops before extremities.
8. This reflex causes the arm to extend to the
side that the head is turned

1. Neonatal development

2. Asymmetrical tonic neck reflex

Explanation:

The control of core muscles helps in maintaining the balance and helps in running and walking without falling. A strong core helps to hold you up and make the body still. In neonatal development, the basic control of core develops before the extremities.

The asymmetrical tonic neck reflex is initiated due to the turning the head aside. The leg and arm on a similar side will extend while the contrary appendages twist, in a, represent that impersonates a fencer when head turn aside.

Thus, the correct answer is: 1. Neonatal development

2. Asymmetrical tonic neck reflex

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