click below
click below
Normal Size Small Size show me how
Assignment 1
Axial and Appendicular Muscles Review
| Question | Answer |
|---|---|
| What is the point of attachment called that does not move when the muscle contracts? | Origin |
| What are the 6 muscle shapes? | Parallel, Covergent, Pennate, Fusiform, Spiral, and Circular |
| Which is the point of attachment that moves when the muscle contracts? | Insertion |
| Which muscles that when contracting, directly oppose prime movers? | Antagonists |
| Which type of muslce function as joint stabilizers? | Fixator Muscles |
| What is the simple mechanical device that makes the work of moving a weight or other load easier in some way? | Lever System |
| What are the 4 major components of any Lever System? | 1. A rigid rod or bar (bone) called a lever 2. A fixed pivot, or fulcrum (F), around which the lever moves (joint) 3. A load (L), or resistance, that is moved 4. A force, or pull (P), that produces movement (muscle contraction) |
| What draws the eyebrows together and pro-duces vertical wrinkles above the nose? | corrugator supercilii |
| What encircles and closes the eye? | Orbicularis Oculi |
| What is Mastication? | are muscles responsible for chewing movements |
| What is an extensor of the head called which helps flex it laterally? | semispinalis capitis |