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 |