The physical ability of an individual is influenced by his or her muscle strength. Strong muscle will function efficiently. An efficient muscle, will experience delayed exhaustion while performing high intensity work. Having high muscle strength enables an individual to do more quality daily life activities. Muscle strength is defined as the ability something muscle or a group of muscles to overcome resistance to produce force (work). The lungs increased ability to the optimum utilisation capacity will continue and oxygen can be supplied to muscles to prevent fatigue. Muscle strength is measured based on the maximum force produced from a movement or specific muscle contraction. The strength of muscle is connected to muscle size, the type muscle fibre, nervous system and one’s percentage of testosterone level. For example, men can easily build more muscle strength compared to women because the muscle size of men is larger and they have a higher percentage of testosterone hormone.
The strength of muscle is the ability of the muscle to overcome heavy burden or resistance. For example weightlifting, standing long jump test, sergeant jump test and others. The strength of the muscle is very important to achieve high performance in sports, contributing to the power to perform certain task. Muscle strength is also needed in daily activities like walking, running, lifting things and others.