The latissimus dorsi is a large back muscle that originates from the iliac crest, thoracic vertebrae, and lumbar vertebrae. It inserts as a tendon into the proximal humerus. Which of the following are functions of the latissimus dorsi?

Are nerves in the PNS capable of some regeneration after injury?

The deltoid muscle is the primary “shoulder” muscle that originates from three different locations. The central deltoid originates from the acromion of the scapula. What is the primary function of the central deltoid?

What is the correct term for the functional unit of contraction within a myofibril that extends from Z disc to Z disc?

True or False: The neuromuscular junction (NMJ) is the synapse between a motor neuron and a skeletal muscle fiber.

What is the correct term for the plasma membrane of a muscle cell?

Which of the following muscles originates from the first nine ribs and inserts into the scapula? Its primary functions are protraction of the scapula (pushing forward) and superior rotation of the scapula (over the head). It is also known as the “boxer’s muscle” because it allows for the movement of punching.

Which of the following is the correct term for the extracellular matrix (ECM) of a muscle fiber?

(02.06 LC) Which of the following groups of elements are likely to have substances that have both metallic and non-metallic properties?

All of the following statements are true of a skeletal muscle fiber at rest except: