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Muscle exam
| Question/ terms | Answers |
|---|---|
| Cardiac Muscle | Intercalated |
| Smooth Muscle | Involuntary Non-striated |
| Another name for smooth muscle | Visceral muscle |
| Twitch contraction | Laboratory phenomena and normal muscle activity |
| Tetanic Contraction | Sustained muscle contraction caused by stimuli letting muscle in rapid succession |
| Isotonic Contraction | Movement |
| Isometric Contraction | No movement |
| Atrophy | Decrease |
| Hypertrophy | Increase muscle size |
| Strength training | Exercise involving contraction of muscle against heavy resistance |
| Endurance training | Increase muscle and blood vessels |
| Skeletal Muscle | Voluntary,Cell Shape,Striated |
| When a muscle contract | Z lines are pulled closer together |
| To produce smooth movement at a joint | Prime mover and Synergist must be contracted |
| The number of motor units involved allows us to partially contract different weight a whole muscle | The number of motor united needed |
| Sliding Filament | A sarcomere to contract, bridges must form between actin & myosin, calcium must be released from the endoplasmic reticulum and ATP must be broken down for energy or all the above |
| Tonic Contraction | Muscle tone, low strength muscle, enable us to maintain body position |
| Microanatomy of the sarcomere | Thin and thick filament, Actin and Myosin and z line from z line |
| Contraction | Basic physiology, z line gets closer together |
| Trunk | Abdominal Muscle |
| Rectus Abdominis | Flexes trunk |
| External oblique | Compresses abdomen |
| Internal oblique | Compresses abdomen |
| Transversus Abdominis | Compresses abdomen |
| Upper extremity | Arms |
| Pectorails Major | Flexes upper arm |
| Latissimus Dorsi | Extends upper arm |
| Deltoid | Abducts upper arm |
| Biceps Brachii | Flexes forearm |
| Triceps Brachii | Expands forearm |
| Head and neck | Facial muscle |
| Orbicularis oculi | Close eyes |
| Orbicularis Oris | Draw lips together or kiss |
| Zygomaticus | Elevates corner of mouth and lips or Smiles |
| Masseter | Close jaw |
| Temporal | Close jaw |
| Sternocleidomastoid | Flexes head |
| Trapezious | Elevates shoulders and expands head |
| Lower Extremity | Legs and thighs |
| Iliopsoas | Flexes thigh |
| Gluteus Maximus | Expands thigh |
| Adductor Muscle | Adduct thigh |
| Hamstrings muscle | Flex lower leg |
| Semimembranous | Flexes knee |
| Semitendinosus | Flexes knee |
| Biceps femoris | Flexes knee |
| Quadriceps femoris group | |
| Rectus femoris | Extends knee |
| Vastus laterals | Extends knee |
| Medialis | Extends knee |
| Intermedius | Extends knee |
| Tibial anterior | Dorsiflexes foot |
| Gastrocnemius | Plantar flexes foot |
| Peroneus group | Flex foot |
Created by:
DesarayHill
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