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Fitness Instructor

Confidential

Lexington, Massachusetts permanent

Posted: April 28, 2026

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Quick Summary

A Group Fitness Instructor is responsible for leading group exercise classes that cater to various fitness levels and age groups, promoting health, wellness, and a sense of community.

Job Description

A Group Fitness Instructor is responsible for leading group exercise classes that cater to various fitness levels and age groups. This role involves creating and delivering engaging, safe, and effective workout routines that promote health, wellness, and a sense of community. The instructor should be personable, motivating, and able to adapt classes to meet participants' needs and abilities.

 

Key Responsibilities:

Design and Lead Group Classes:

Plan and conduct group fitness classes, including but not limited to aerobics, yoga, strength training, HIIT, Zumba, or other fitness styles.

Modify exercises within classes to accommodate participants of all fitness levels, ensuring everyone can safely participate and benefit.

Create a Welcoming and Inclusive Environment:

Foster a positive, supportive, and inclusive environment for participants of all ages and backgrounds.

Encourage social interaction among participants to help build a sense of community.

Instruct on Proper Technique and Safety:

Demonstrate correct exercise techniques and ensure that participants follow proper form.

Monitor class participants to prevent injuries, making adjustments as needed.

Explain and enforce health and safety policies of the community center.

Engage and Motivate Participants:

Provide enthusiastic support and encouragement throughout classes to keep participants motivated.

Communicate clearly with participants, giving clear instructions and cues to guide them through workouts.

Maintain and Prepare Equipment:

Ensure fitness equipment is in good condition and set up properly for each class.

Promote Health and Wellness in the Community:

Educate participants on basic wellness principles, including hydration, warm-up, and cool-down practices.

Occasionally offer tips on healthy lifestyle choices, stretching, and injury prevention.

 

Qualifications:

Certification in Group Fitness or related area (e.g., ACE, AFAA, ACSM, NASM)

CPR and First Aid certification

Knowledge of a variety of fitness disciplines and group exercise formats

Strong communication, interpersonal, and motivational skills

Ability to adapt workouts to accommodate all ages and fitness levels

 

Preferred Experience:

Prior experience as a Group Fitness Instructor or similar role

Familiarity with community-oriented fitness programming

Experience working with diverse populations

Key Skills

Excellent organizational and time management skills

Ability to communicate effectively with participants of all fitness levels

Strong understanding of exercise principles and safety protocols

A friendly, approachable, and positive demeanor

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