锻炼

A locker room is a space, typically in schools, gyms, or sports facilities, where individuals can change clothes, store personal items in lockers, and prepare for physical activities such as sports or workouts. It is equipped with benches, lockers, and sometimes showers, providing privacy and convenience for changing before and after exercises or games. The room is primarily used for storing belongings and preparing for physical activities in a secure, designated area.

The horizontal bar is a gymnastics apparatus used in men's artistic gymnastics. It consists of a single, long bar placed high above the ground, where gymnasts perform swinging, flipping, and other aerial movements. Gymnasts grip the bar with both hands and use their upper body strength to execute routines that include elements like handstands, release moves, and rotations. The horizontal bar helps develop strength, flexibility, and coordination, and is a key event in gymnastics competitions.

A pommel horse is a gymnastics apparatus used for performing routines that require balance, strength, and coordination. It consists of a long, padded horse-shaped body with two pommels, or handles, on top, which gymnasts use for gripping while swinging their legs in circular motions. Gymnasts perform various moves, including swings, circles, and handstands, while maintaining control and balance on the apparatus. The pommel horse is a key event in men's artistic gymnastics and helps develop upper body strength and core stability.

A punching bag is a durable, padded bag used for practicing punches, kicks, and other strikes in combat sports and fitness training. It is usually filled with materials like sand, cloth, or foam to absorb impact and is covered with strong materials such as leather or synthetic fabric. Punching bags can be hung from the ceiling, mounted on a stand, or designed as free-standing models. They help improve strength, speed, accuracy, and endurance while also serving as a useful tool for practicing techniques and relieving stress.

A trampoline is a piece of equipment made of a strong, stretchy fabric stretched over a frame with springs. It allows people to bounce up and down by jumping on the surface. Trampolines come in various sizes and are often used for fun, exercise, and learning acrobatic skills. They are commonly found in backyards, gyms, or sports centers. Using a trampoline helps improve balance, coordination, and strength, while also offering a fun way to be active and burn energy.

Martial arts are various systems of training and techniques used for self-defense, combat, and physical fitness. They often involve a combination of physical movements, mental focus, and discipline. Some martial arts focus on striking techniques, such as punches and kicks, while others emphasize grappling, joint locks, or submissions. Examples include karate, judo, taekwondo, and kung fu. Martial arts can be practiced as a sport, for personal development, or for self-defense. They are known for promoting strength, balance, coordination, and respect for others.