Muscular strength is the maximum amount of force that a muscle can exert against a form of resistance at one time. Fitness in the phrase physical fitness is being able to move, and deal with weights and stresses such as running, without damage and with reasonable stamina.
The USDHHS defines muscular strength as the ability of muscle to exert force during an activity. You can strengthen your muscles by making them work against resistance, hence the term resistance training. A muscle has to be overloaded to be strengthened. This can be achieved by lifting weights. Despite someone's weight not changing, that does not mean that their level of fat is the same. People with a high muscle (lean mass) ratio weigh more than those with the same height and waist circumference who have less muscle. Muscle weighs more per cubic inch of volume than fat. Fitness is the condition of being physically fit and healthy and involves attributes that include, but are not limited to mental acuity, cardiorespiratory endurance, muscular strength, muscular endurance, body composition, and flexibility. Fitness is a broad term that means something different to each person, but it refers to your own optimal health and overall well-being. Being fit not only means physical health, but emotional and mental health, too. When you are considering muscle fitness you see that it is the aspect of general fitness and concentrates on developing the strength and size of out skeletal muscles. This will involve some weight or resistance training.  The definition of muscular strength is the maximum amount of force  that a muscle can exert against a form of resistance at one time. Fitness in the phrase physical fitness is being able to move, and deal with weights and stresses such as running, without damage and with reasonable stamina. It means having … muscles in good condition and able to exert force when needed. It means being healthy, supple, and aware. According to the The United States Department of Health and Human Services (USDHHS) 1, physical fitness is defined as a set of attributes that people have or achieve that relates to the ability to perform physical activity. Despite someone's weight not changing, that does not mean that their level of fat is the same. People with a high muscle (lean mass) ratio weigh more than those with the same height and waist circumference who have less muscle. Muscle weighs more per cubic inch of volume than fat. Answered by The Community. Making the world better, one answer at a time. The definition of muscular strength is the maximum amount of force that a muscle can exert against a form of resistance at one time. It is using muscles to exert force and refers to the amount of force those muscles produce. Muscular strength refers to the maximum amount of force that a  muscle can exert in one singular contraction. We use muscular  strength in the following examples: picking up … a heavy object and  pushing a piece of furniture. Or, lifting weights
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what does muscular fitness means