Week 6 Anatomy Word Scramble
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| Question | Answer |
| How many skeletal muscles are in the body? | Over 600 |
| What percentage of your body weight is skeletal muscle? | 40-50% |
| What are the 3 connective tissue components of skeletal muscle? ENDO MY PERI MY EPI | Endomysium Perimysium Epimysium |
| What is the Endomysium? Th,CT SORROUNDING MF | Thin connective tissue surrounding each muscle fiber. |
| What is the perimysium? CONNECTIVE TISS THAT SOURROUNDS FASC (BUNDLES OF FI)'S | Connective tissue that surrounds fascicles (bundles of fibers). |
| What is the epimysium? OUTER C/T COVERING THE WHOLE MU | Outer connective tissue covering the whole muscle. |
| What do the endomysium, perimysium, and epimysium form together? T----NS | Tendons or aponeuroses. |
| Define muscle origin. NON MO POINT OF ATT | The fixed, non-moving point of attachment. |
| Define muscle insertion. MOVABLE POA | The movable point of attachment. |
| What is a prime mover (agonist)? MAIN CHARACTER (M) RESPONSIBLE FOR MO | Main muscle responsible for movement. |
| What is an antagonist muscle? MUSCLE THAT OPP THE PRIME/MOV | Muscle that opposes the prime mover. |
| What is a synergist muscle? ASSISTS THE PRIME MOVER FOR MORE EF/MO | Assists the prime mover for more efficient movement. |
| What are fixator muscles? STAB JOI DUR MOVEM | Stabilize joints during movement. |
| What are the 4 components of a lever system? B,J,WE,MUSCLE FO | Rigid bar (bone), fulcrum (joint), load (weight), and pull (muscle force). |
| What is a first-class lever? FU/ L/ E | Fulcrum is between the pull and load (like a seesaw). |
| What is a second-class lever? FLE | First-class: Fulcrum in the middle Lecond-class: Load in the middle Ethird-class: Effort in the middle |
| What is a third-class lever? EFFORT IN THE M F L E | Pull is between the fulcrum and the load (like tweezers); most common in body. |
| How are muscles named? LO,FU,SH,FI,DIR,# DIV, AP,S | By location, function, shape, fiber direction, number of divisions, attachment points, or size. |
| What makes facial muscles unique? | Attach to skin instead of bone. |
| What do muscles of mastication do? | Perform chewing. |
| What do head and neck muscles do? | Move the head and support posture. |
| What do thoracic muscles help with? RESP | Breathing (respiration). |
| What is special about abdominal wall muscles? LA WITH FIB IN DIFF DIR FOR STR | Arranged in layers with fibers in different directions for strength. |
| What do back muscles do? B,STAB,EXTEND THE S | Bend, stabilize, and extend the spine. |
| What is the role of pelvic floor muscles? | Support organs in the pelvic cavity. |
Created by:
MichisMitchell
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