The Activation of Increasing Numbers of Motor Units Is Known

question 8

Multiple Choice

The activation of increasing numbers of motor units is known as ________.

• A) motor unit recruitment
• B) muscle fatigue
• C) muscle tension
• D) threshold stimulus

---

Definitions:

Paranthropus Boisei

An extinct hominin species known for its robust cranial features, large molars, and diet primarily consisting of hard plant material.

Prehensile Tail

Tail adapted for grasping.

New World Monkeys

Primates native to the Americas, including families and species that are often arboreal and have a wide range of sizes and behaviors.

Neander Valley

A valley in Germany where the first fossils of Neanderthals, an extinct species or subspecies of archaic humans, were discovered in the 19th century.