Hypertension is the number two cause of chronic heart failure.
Heart failure occurs when the heart is unable to pump blood effectively to meet the body's needs. Hypertension places increased stress on the heart and blood vessels, leading to structural and functional changes that can result in heart failure
Stretching for the Jiu Jitsu
Flexibility is of utmost importance in the sport of Jiu-Jitsu.
It reduces the risk of joint, muscle, and connective tissue injuries by providing stability, preventing tendons or ligaments from tearing and improving circulation and performance.
Stretching enhances the range of motion and promotes nutrient supply and muscle waste removal.
The Importance of Squat
The Squat is one of the exercises that is performed the most frequently. The squat is biomechanically and neuromuscularly related to various other athletic actions. It is typically included as a foundational exercise in many different sports routines that aim to improve athletic performance. The Squat is usually regarded as the peak of lower-body strength competitions because of its demanding nature. The Squat is widely regarded as one of the most effective exercises for enhancing the quality of life because it works for several different muscle groups in a single movement
The Squat Biomechanics
The squat is important as it is a highly effective compound exercise that engages multiple muscle groups, improves lower-body strength and stability, enhances athletic performance, and contributes to overall functional movement abilities.
The impact of exercise on gastroesophageal reflux disease (GERD)
Exercise may trigger GERD
Three possible causes:
sphincters
changes in the hormones and metabolism,
increased abdominal pressure
Lactate Threshold and Ventilator Threshold
In recent years, lactate thresholds (LT) have emerged as an essential diagnostic tool for evaluating endurance performance. When determining the appropriate intensity levels for endurance athletes' workouts, the LT serves as an important tool.
Judo and Jiu-Jitsu are extremely athletic sports that call for a high level of conditioning, anaerobic strength, flexibility, and aerobic endurance.
Unlike other sports, Judo and Jiu-Jitsu are high-intensity combat sports that need exceptionally high levels of fitness and alertness.
Muscle composition, muscle force, velocity, and power to strength training
The phenotypic shift is caused by the frequency, intensity, and duration of the exercise, as well as the individual's age, genetics, gender, and training history.
…exercise is frequently referred to as a single stimulus,
Strength training causes changes in the circulatory and musculoskeletal systems…
Concentric and Eccentric Contractions
All forms of muscular contractions rely on the activation of motor units.
When a force is applied to a muscle, it exceeds the instantaneous force produced by that muscle.
The muscle-tendon system is forced to extend while contracting, resulting in an eccentric (lengthening) muscle contraction.
During an eccentric contraction, more force is generated. The muscle absorbs the energy generated by an external load during this process.
Motoneurons
The human central nervous system's reactivity can change dramatically with exercise,
Motoneurons are integrative transducers
Axons in larger motoneurons have greater spike amplitudes and faster conduction velocities.
Vascular and Cardiac response to acute aerobic exercise
physical activity can be utilized as a non-pharmacological technique to minimize the risks.
Exercise boosts cardiac output and blood pressure in the short term, but people who have adapted to exercise have a lower resting heart rate and less cardiac hypertrophy.
Coagulation and Fibrinolysis
Hemostasis is the body's natural response to a bleed-inducing injury.
Platelets and endothelial cells produce large plasma protein von Willebrand factor (vWF),
These messengers increase vascular spasm and platelet aggregation, which reduces bleeding and aids in blood clotting.
Plasminogen activator factors are produced by endothelial tissue when are stimulated by cytokines and hormones. The process of fibrinolysis starts about two days after the injury and lasts several days until the clot has dissolved
Composition of blood and the cardiac cycle
Formed elements and the plasma.
The cardiac cycle is comprised of two very distinct phases, the systole, and the diastole, the contraction and the relaxation of the heart.
Heart valves play a very important role in the cardiac cycle.
the heart relies on the electrical impulses of the conduction system which is part of the autonomic nervous system.
Blood Coagulation. Plates and Fibrinolysis
blood coagulation and hemostasis
large plasma protein von Willebrand factor (vWF),
Fibrin is both the first product of the coagulation cascade and the ultimate substrate for fibrinolysis; hence it is critical for hemostasis.
Fibrinolytic activity
Enzyme plasmin is the major clot destructor
Plasminogen activator factors
Vasoconstriction and Vasodilation control. Laminar and turbulent blood flow
blood flow is determined by the vascular tone.
vasoconstriction and vasodilation, this mechanism directs blood flow resistance, gradient, and pressure
mechanism of vasoconstriction and vasodilation
Blood flow depends on resistance, blood viscosity, and anatomic structure of blood vessels
Blood in vessels moves at a different speed due to laminar flow.
the outermost layer, closest to the blood vessel wall, is motionless.
Role of the endothelium and nitric oxide (NO) in regulating vascular tone and blood flow
There are many factors and body systems that regulate normal blood flow.
By vasoconstriction and vasodilation, this mechanism directs blood flow to areas where it is needed the most or may direct blood flow from areas where less blood is needed.
If, for any reason, suddenly, blood pressure drops, the endocrine system will react.
Conduction system of the heart and the mechanisms that are involved in the rhythm control.
The automimic nervous system plays a vital role in regulating the cardiac activity
The rhythm of the heart can be increased or decreased due to internal or external environmental stressors
Differences and similarities between skeletal and cardiac muscle
The heart's beating is mainly controlled by two systems, the nervous and the endocrine system.
Frank-Starling Law predicts that the stroke volume of the left ventricle will increase as the left ventricular volume increases
Educational Program on Moderate Intensity Activity Leading to a Significant Weight Loss in Sedentary People
Physical activity for weight loss is an essential tool.
Sedentary life and increased body weight may lead to overweight, obesity, type 2 diabetes (T2D), cardiovascular disease (CVD), hypertension (HT), muscle atrophy, osteoporosis, and joint pain. Physical activity and nutrition regimens may help people live healthier lives, so proper education is fundamental
Exercise for weight loss
five important modules of HiiT;
interval intensity,
interval length,
recovery duration,
recovery intensity, and
workout volume