Final answer:
Pointing the toes toward the sky results in plantar flexion at the ankle joint. Dorsiflexion is the opposite motion, and inversion and eversion pertain to different movements not performed at the hin_ge joint of the ankle.
Step-by-step explanation:
When you bend the ankle to point the toes toward the sky, the ankle is plantar-flexed. Dorsiflexion and plantar flexion are movements at the hin_ge joint of the ankle. Dorsiflexion occurs when the front of the foot is lifted upwards toward the anterior leg, whereas plantar flexion involves lifting the heel from the ground or pointing the toes downward. These two movements are the primary actions accessible at the ankle joint, as it is a uniaxial hin_ge joint that allows only for dorsiflexion and plantar flexion. Inversion and eversion are distinct movements involving the tarsal bones and do not occur at the ankle joint itself.