The myocardium is composed of a specialized type of muscle cell called cardiac muscle that is only found in the heart. Cardiac muscle is striated like skeletal muscle, but is controlled by both the ...

The shrew's resting heart rate can reach up to 17 beats per second, equivalent to about 1,020 beats per minute. In comparison, the average human resting heart rate is around 60 to 100 beats per ...

Skeletal muscle is the biggest organ of the human body, comprising at least 40% of its mass and containing 50–75% of all body proteins (Frontera and Ochala, 2015). It is pivotal to health and ...

Cardiac fibrosis is a major and complex pathophysiological process that ultimately culminates in cardiac dysfunction and heart failure. This phenomenon includes not ...

To help you plan your meals and work toward growing your muscles, we discuss how food helps build muscles and which foods specifically can optimize your workouts. Of course, before making any ...

In this paper we review surgery that impairs the function of the respiratory muscles—namely cardiac, thoracic, and upper abdominal surgery. Therapeutic interventions or protective measures for ...

Before an intercostal muscle strain is diagnosed, other causes of chest pain may need to be ruled out. An electrocardiogram (EKG) and echocardiogram (echo) may be performed to examine your heart ...

Muscle is a soft tissue composed of elongated cells (muscle fibres) that produce force and motion through contraction. Involuntary cardiac and smooth muscles are responsible for contraction of the ...

The martial arts superstar is zapping his muscles so he bulks up without doing any exercise. "Three minutes is like doing 200 push-ups," he claims. Loading YouTube content This technology ...

Summary: Humans have vestigial ear muscles that once helped our ancestors focus on sounds. New research shows these muscles still activate when we strain to hear in noisy environments. Scientists used ...