| A | B |
|---|
| What attaches your calf muscles to your heel? | Achilles tendon |
| What kind of exercise is fast twitch fibers used in? | anaerobic exercise |
| What kind of exercise is slow twitch fibers used in? | aerobic exercise |
| What kind of muscle makes up the heart? | cardiac muscles |
| What is the name given to a sudden strong contraction of a muscle? | cramp |
| Which type of muscle fibers produce high force over a short period of time? | fast twitch muscle fibers |
| What is the name given when weakened arch muscles cause your arches to fall? | flat feet |
| Which starch is converted to lactic acid? | glycogen |
| What is the name given to the puckering of skin caused from the contraction of muscle? | goosebumps |
| Which muscles are not in our control? | involuntary muscles |
| What is the waste product that causes muscle soreness? | lactic acid |
| What is a muscle disease that affects movement? | muscular dystrophy |
| Which system maintains posture, stabilizes joints, produces movement and generates heat? | muscular system |
| How would you treat a sprain? | Rest, Ice, Compress, Elevate |
| What happens when you shiver? | muscle tighten & relax very quickly to make you warmer |
| Which type of muscle is under your control? | skeletal muscles (voluntary) |
| Which muscle fibers produce low force for lower intensity, longer duration movements? | slow twitch muscle fibers |
| Which muscles are found in your body organs? | smooth muscles |
| What are tendons? | tough chords of tissue that attach muscles to bones |
| How does a pair of muscles move a bone? | by contracting & relaxing - always pull, never push |
| It takes 43 muscles to | frown |
| It takes 17 muscles to | smile |
| How many muscles are in the body? | about 650 |
| How does protein, carbohydrates, vitamins & minerals help my body? | protein for cell growth; carbohydrates for energy; vitamins & minerals grow and repair cells |
| What is a sprain? | stretching or tearing of a ligament |
| What is a strain? | a tear or overstretching of a muscle or tendon |
| What is a cramp? | a strong contraction of a muscle |
| What are the 3 types of muscles? | skeletal muscle, cardiac muscle, smooth muscle |
| Which muscle fibers produce high force for powerful, short duration movements? | fast twitch fibers |
| Why do some cramps last for a long time? | Some muscles are very slow to relax. |
| What is a spasm? | an involuntary contraction of a muscle. Some spasms are rapidly repeated contractions. |
| What is epilepsy? | a very severe spasm that can lead to convulsions. Epilepsy can be controlled with medicine. |
| What is a hernia? | Occurs when a muscle pushes through into another area where it is not supposed to be. The blood will not flow normally through the herniated area. |
| What can you do to have a healthy muscular system? | Eat healthy foods, exercise, get enough rest |
| Why can't woman develop muscles as large as men have? | Woman have fewer muscle fibers. |
| How would a person develp big muscles? | They do anaerobic exercise. |
| How do muscle work? | They work in pairs. They ALWAYS pull. |
| What are goosebumps? | The puckering of the skin that results from the contraction of muscle fibers in the skin. Goosebumps produce heat and raise body temperature. |
| Why do muscles get tired? | 1)supply of carbohydrates is low. 2)too much exercise with not enough rest. 3)lack of water before, during and after exercise. |
| What causes flat feet? | weakened arch muscles that hold a part of your foot off the ground. |
| Which type of muscle is found only in the heart? | cardiac muscle |
| Why does cardiac muscles have lots of blood vessels? | The heart needs a constant supply of oxygen. |
| What is another name for muscle fibers? | muscle cells |
| What is a muscle fiber (cell) made up of? | protein filaments called actin and myosin |
| How do muscle fibers work? | The actin and myosin filaments slide over one another |
| What forms muscles? | bundles of muscle fibers |
| What do muscles need to live? | food (nutrients), water, and oxygen |
| About how much muscle weight can a man have? | up to 42% |
| About how much muscle weight can a woman have? | up to 35% |
| What do nerves do for a muscle? | tell skeletal muscles what to do and when to do it. |
| What is tendonitis? | the covering around the tendons becomes swollen and very sore, caused by muscles working too hard or too suddenly without warming up properly. |
| What causes atrophy? | when muscles aren't used and reduce in size. |
| Which body organ sends messages through the nerves to the muscles to tell them to contract and relax? | brain |
| About how many times does a person’s heart beat in one minute? | 70 |
| What are examples of anaerobic exercise? | weight lifting, push-ups, sprinting |
| What are examples of aerobic exercise? | basketball, jogging, swimming |
| What is oxygen dept? | low levels of oxygen in the muscles which requires us to breathe deeply and rapidly in order to restore a proper oxygen level in the muscles. |
| When muscles are contracted they are ... | shorter - with a bulge |
| When muscles are relaxed, they are ... | long and thin |
| What are the four functions of the muscular system? | maintains posture, stabilizes joints, produces movement and generates heat |
