Flex vs. Extend: Understanding the Difference
Flex and extend are not the same. Flex means to bend, while extend means to straighten. For example, you can flex your arm by bending it at the elbow, or extend your arm by straightening it out.Muscle Strains - Related Articles
- Understanding Muscle Injuries: Causes, Severity & Treatment
- Understanding Muscle Fiber Types: White vs. Red - Characteristics & Differences
- Anitgravity Muscle: Which Muscles Form It?
- Muscle Fibrillation: Causes, Symptoms & When to Worry
- Pulled Abdominal Muscle: Causes, Symptoms & Treatment
- Understanding MRI Results: Cervical Spondylosis & Lumbar Dehydration - Balance & Breathing Issues
- Shin Splints: Causes, Treatment & Recovery