Sit-ups

Definition

Sit-ups are a fitness exercise that involves lying on your back and lifting your upper body to strengthen your abdominal muscles.

Scientific / Technical Definition

Sit-ups are a bodyweight exercise commonly used to improve the strength and endurance of the rectus abdominis, commonly referred to as the 'abs.' The exercise involves flexing the torso while stabilized by the core muscles, with increased engagement of hip flexors as the body is lifted from a supine position.

Benefits

• Strengthens abdominal muscles
• Improves core stability
• Enhances posture
• Can contribute to better balance and flexibility
• Increases endurance of the trunk muscles

Examples

• Traditional sit-ups
• Sit-ups with weights
• Incline sit-ups
• Decline sit-ups
• Oblique sit-ups for targeting side muscles

Additional Information

• Side effects: Performing sit-ups improperly may cause strain on the lower back and neck. It is important to ensure proper form to minimize injury risk.

Related Terms

• Crunches

References

• Sit-ups: Benefits and risks
• The scientific basis for sit-up exercises