Question

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Answer 1

1. Contraction of the iliacus and psoas major produces flexion of the hip joint

2. quadriceps femoris muscle group

3. A combination of gluteal and thigh muscles also adduct, abduct, and rotate the thigh and lower leg. The tensor fascia latae is a thick, squarish muscle in the superior aspect of the lateral thigh. It acts as a synergist of the gluteus medius and iliopsoas in flexing and abducting the thigh.

4. triceps brachii

5. The major muscle that laterally flexes and rotates the head is the sternocleidomastoid

6. Rectus abdominis

7. The external obliques are the outermost abdominal muscles. They are also key participants in spinal flexion and the compression of the viscera. Individually, they act alongside the internal obliques in lateral flexion and spinal rotation.

8. abdominal external oblique muscle

9. external intercostal muscles