Skeletal Muscle Fiber

A single, multinucleated muscle cell, responsible for voluntary movements, characterized by its striated appearance.

Key Functions:

• Generates force for voluntary movement.
• Contracts in response to neural stimulation.
• Contributes to posture and heat production.

Interacting Systems & Components:

• Musculoskeletal System (component of)
• Motor Neuron (innervates)
• Actin (contains)
• Myosin (contains)
• Neuromuscular Junction (receives signals at)