Vamp: Samdwich mesh Size: 31-34 35-38 39-42 Wheel: High reboumd PU casting Bearing: Abec-5 or Abec-7 Chassis: Alum Colour: Black/Red,Blue/White,Pink Adjustable system : Back adjustable Colour box: 45×37×12cm (Size:39-42)           40×34×11cm (Size:35-38,31-34) Carton Size: 75×46.5×38.5cm (Size:39-42)           69×41.5×35.5cm (Size:35-38,31-34) N.W./G.W.: 13.62kg/17.92kg (Size:39-42)           12.3kg/16.15kg (Size:35-38)           10.59kg/14.14kg (Size:31-34) PVC handle: 44×37×7cm (Size:39-42)            43×36×6cm (Size:35-38)            41×34×6cm(Size:31-34) Carton Size: 64×44×36cm (Size:39-42)           61×43×34.5cm (Size:35-38)           59×42×33.5cm (Size:31-34) N.W./G.W.: 13.62kg/15.88kg (Size:39-42)           12.3kg/14.2kg (Size:35-38)           10.59kg/12.6kg (Size:31-34) Outer packing: 6prs/carton

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Inline skating an excellent aerobic activity for people of all ages. Six important health benefits will result from a regular program of inline skating activities. Muscle endurance and strength will improve, flexibility will increase with a little help, body composition will change due to calories burned, cardio and respiratory endurance will increase, balance and coordination will improve and mental clarity and connectivity will get better. These improvements will carry over to other activities in your life, too.

Inline skating provides aerobic benefits that compare to running and biking and delivers a better cardiovascular workout than stair-stepping equipment. The anaerobic benefits are actually better than running or biking, because it provides a natural and smooth side-to-side movement that exercises adductor (inner thigh) and abductor (buttocks) muscles that may be ignored by other activities. Just 20 to 30 minutes of additional inline skating activity each day will help your body become physically stronger and lower the risk of heart disease. It also has low impact advantages and generates up to half the impact shock to joints, ligaments and tendons that running creates.
You can skate your way to improved mental health, too. Consider your skating exercise activities as an opportunity for much-needed mental quiet time. Choose scenic skating locations or good company to help brighten your mood, and let your workout shift your body's chemical balance for a naturally induced feeling of well-being.

Since it's fun and provides opportunities for socialization and networking, most fitness and recreational inline skaters roll for longer periods of time than participants in other similar activities. This extra skating time will increase the effectiveness of all of the fitness and mental health benefits listed below.
Achieve Aerobic Benefits (cardiovascular)
Increase your aerobic benefits by skating harder or uphill, but don't go up until you can safely come down.
Try long distance skating at a slow, steady pace to improve endurance.
Schedule regular skating activities to achieve long-term aerobic benefits.
Get Anaerobic Benefits (muscle development)
Build pelvic, hip and thigh muscles with regular distance skating activities.
Develop hamstring, glute quad and calf muscles by combining forward, backward and various maneuvers while skating.
Let the balance needed for inline skating help build the stabilizing muscles of the lower back and abdomen.
Strengthen upper arm and shoulder muscles by swinging your arms while skating.
Enjoy Low Impact Advantages (joint friendly)
Skate on smooth surfaces to get the full benefit of low impact on knees and back.
Avoid abrupt movements, twisting and sudden stops to avoid compromising joints.
Increase Flexibility
Include a set of warm-up and cool-down stretching and resistance exercises for flexibility and stability in your skating.
Take advantage of massage after skating to reduce muscle tension, increase circulation and keep tissue elastic and flexible.
Improve Balance and Coordination
Use a squatting posture with knees bent to develop and maintain better balance.
Add poses, spirals and other single foot balance challenges to your life both on and off skates.
Adjust Body Composition and Reduce Fat
Burn 285 calories or more every 30 minutes by skating at a steady pace.
Burn 450 calories or more in 30 minutes by using interval skating techniques.
Skate faster to burn more calories overall.
Plan a regular regimen of consistent skating to burn more calories over an extended time.
Mental Health Benefits
Improve your mental clarity and focus and reduce stress and depression by enjoying low pressure tour and social skating activities.
Develop mind and body connectivity via training, fitness and competitive skating activities.