Question

Which of the following represents a muscle group pair in the human body?
Biceps and trapezius
Hamstring and gluteus
Rectus abdominis and erector spine
Quadriceps a deltoid

Answer 1

The pairs you provided can be analyzed based on their anatomical relationships:

1. **Biceps and trapezius** - These are not a direct muscle group pair since the biceps are located in the upper arm and primarily involved in elbow flexion, while the trapezius is a back muscle that helps with shoulder movements.

2. **Hamstring and gluteus** - This is a better representation of a muscle group pair. The hamstrings (located at the back of the thigh) and gluteus (primarily referring to the gluteus maximus in the buttock) work together in movements involving hip extension and knee flexion.

3. **Rectus abdominis and erector spinae** - These muscles oppose each other in certain movements, with the rectus abdominis being involved in flexing the spine and the erector spinae involved in extending the spine. While they do work together for stability, they're not typically seen as a paired muscle group for synergistic action.

4. **Quadriceps and deltoid** - These are not related muscle groups; the quadriceps are located in the front of the thigh and are responsible for knee extension, while the deltoid is located in the shoulder and is responsible for arm abduction.

Considering this analysis, the **hamstring and gluteus** represents the best muscle group pair among the options provided.