Case Study: Scenario: A marathon runner, nearing the finish line, experiences intense fatigue, muscle cramps, and a feeling of “heaviness” in her legs. Question: What is the primary physiological factor contributing to these symptoms?

Which type of muscle tissue is found in the walls of blood vessels?

Case Study: A Marathon Runner Hits the Wall Scenario: A marathon runner is nearing the final miles of a race. She had been maintaining a steady pace, but now her legs feel heavy and weak. Her breathing becomes labored, and she experiences a sharp decline in her performance. She is experiencing muscle fatigue. Question: Considering the physiological factors contributing to muscle fatigue, which strategy would be the LEAST effective in helping the runner combat her fatigue and improve her performance in the final miles of the race?

Which type of muscle tissue is found in the walls of blood vessels?

Case Study: Investigating a Suspicious Death Scenario: A detective arrives at a crime scene where a body has been discovered in a locked room. The detective observes the following: ●The body is lying on the floor, face down. ●The limbs are stiff and difficult to move. ●The teeth and hands are clenched tightly. ●There are no obvious signs of injury or struggle. The detective estimates that the individual has been deceased for approximately 12 hours based on the temperature of the body and the presence of rigor mortis. Rigor mortis is a physiological change that occurs in the body after death, characterized by the stiffening of the muscles. Question: What is the underlying physiological mechanism responsible for the development of rigor mortis?

Case Study: Scenario: A marathon runner, nearing the finish line, experiences intense fatigue, muscle cramps, and a feeling of “heaviness” in her legs. Question: What is the primary physiological factor contributing to these symptoms?

The recovery stroke of muscle contraction is powered by the breakdown of ATP into ADP and P.

Case Study: Scenario: A 30-year-old man is lifting weights at the gym when he feels a sudden, sharp pain in his shoulder. He is unable to continue lifting weights and experiences pain when he tries to move his arm. Question: Which muscle is most likely injured?

The recovery stroke of muscle contraction is powered by the breakdown of ATP into ADP and P.

What is the difference between hypertrophy and atrophy?