no the the tibialis anterior acts in the dorisflexion of the foot.
Yes, both the foot and ankle have the capacity for dorsiflexion
Dorsiflexion is moving your foot upwards toward you. Plantar flexion is when you move it down away from you.
dorsiflexion
The top your foot is considered the dorsal side and so bending the foot upwards at the ankle is known as dorsiflexion.
Dorsiflexion happens when the toes are brought closer to the shin and decreases the ankle between the leg and the dorsum of the foot. Walking on your heels causes dorsiflexion of your ankle.
Fibularis Longus and Fibularis Brevis are both Plantar Flexes, page 222 of the Human Anatomy & Physiology Lab Manual (Elaine N. Marieb and Susan J. Mitchell. The prime movers for plantar flexion are the gastrocnemius and soleus (known together as the triceps surae). The gastrocnemius is the larger of the two muscles and is the one visible if you "flex" the calf by lifting your heel off the ground and putting pressure on the front of the foot.
Dorsiflexion is lifting the foot so that its superior surface approaches the shin. Plantar flexion is depressing the foot or elevating the heel. Dorsiflexion is an flexion angular movement because it decreases the angle between bones whereas Plantar flexion is a extension angular movement because it increases the angle between bones.
The gastrocnemius, the large muscle in the calf, flexes the knee and foot.
Dorsiflexion
Dorsiflexion
dorsiflexion
Tibialis Anterior