click below
click below
Normal Size Small Size show me how
Axial and Appendicul
| Question | Answer |
|---|---|
| What are the main functions of axial muscles? | They support and move the head, neck, and trunk, and help with breathing and posture. |
| What are the three main groups of axial muscles? | Muscles of the head and neck, trunk, and vertebral column. |
| What is the main muscle used for breathing? | The diaphragm. |
| Which muscles are responsible for moving the head? | Sternocleidomastoid and trapezius. |
| What muscle closes the jaw? | The masseter. |
| Which abdominal muscles compress the abdomen? | Rectus abdominis, external oblique, internal oblique, and transversus abdominis. |
| : What is the function of the rectus abdominis? | Flexes the vertebral column and compresses abdominal contents. |
| What are the erector spinae muscles responsible for? | Extending and maintaining posture of the vertebral column. |
| Which muscles are involved in facial expression? | Orbicularis oculi, orbicularis oris, zygomaticus, and frontalis. |
| What muscle elevates the ribs during inhalation? | External intercostals. |
| What do appendicular muscles control? | Movement of the limbs and stabilization of the shoulder and pelvic girdles. |
| What is the prime mover for arm abduction? | The deltoid. |
| Which muscle flexes the forearm at the elbow? | The biceps brachii. |
| Which muscle extends the forearm at the elbow? | The triceps brachii. |
| What muscle group flexes the thigh and extends the leg? | The quadriceps femoris group. |
| Which muscles make up the quadriceps femoris? | Rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius. |
| What muscle group extends the thigh and flexes the leg? | The hamstrings. |
| What muscles form the hamstrings? | Biceps femoris, semitendinosus, and semimembranosus. |
| Which muscle is the main plantar flexor of the foot? | The gastrocnemius. |
| What muscle allows dorsiflexion of the foot? | The tibialis anterior. |