U.S. doctors online nowAsk doctors free
A 35-year-old member asked:

What is the difference between isotonic and isometric muscle contractions?

1 doctor answer2 doctors weighed in
Dr. Audie Rolnick
Orthopedic Surgery 40 years experience
See below: isometric muscle contraction is without joint motion. for example a quad set where you tighten the muscle in a fixed position. isotonic involves joint rom with a resistance at the end of the fulcrum(for example lifting an ankle weight while extending the knee joint)

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Educational text
Free
Talk to a doctor
24/7 visits - just $39!
50% off with $15/month membership

Related questions

A 42-year-old member asked:
1 doctor answer1 doctor weighed in
A 32-year-old male asked:
1 doctor answer2 doctors weighed in
A member asked:
1 doctor answer3 doctors weighed in
A 47-year-old member asked:
1 doctor answer1 doctor weighed in

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Educational text
Free
Talk to a doctor
24/7 visits - just $39!
50% off with $15/month membership
Last updated Dec 2, 2014
Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
24/7 visits - just $39!
50% off with $15/month membership

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.