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Anatomy week 6-studystack 1
| Question | Answer |
|---|---|
| What are the three main types of muscle tissue? | Skeletal, cardiac, and smooth. |
| Which muscle is the prime mover of inhalation? | Diaphragm. |
| What is the origin and insertion of the biceps brachii? | Origin: Scapula; Insertion: Radius. |
| What is the function of the rectus abdominis? | Flexes the vertebral column and compresses abdominal contents. |
| What connective tissue surrounds an entire muscle? | Epimysium. |
| What is the difference between axial and appendicular muscles? | Axial muscles support the head, neck, and trunk; appendicular muscles move the limbs and girdles. |
| Which appendicular muscle abducts the arm at the shoulder? | Deltoid. |
| What is the role of calcium in muscle contraction? | Binds to troponin, allowing myosin to bind to actin. |
| Name one axial muscle involved in posture. | Erector spinae. |
| What are the six features used to name muscles? | Location, size, shape, direction of fibers, number of origins, and action. |