Final answer:
An increase in tendon reflexes is not typical for extrapyramidal rigidity, while the cogwheel phenomenon and the absence of pathological reflexes are typical features.
Step-by-step explanation:
The typical features of extrapyramidal rigidity include cogwheel phenomenon and the absence of pathological reflexes. An increase in tendon reflexes is not typical for extrapyramidal rigidity, as it is more characteristic of upper motor neuron lesions, such as those seen in the corticospinal pathway. In conditions affecting the extrapyramidal system, which helps regulate and modulate motor movements, the tone of the muscles may increase, leading to stiffness or rigidity, but this is not usually accompanied by increased tendon reflexes.