Here are some examples you could use with your class: You need muscle tone to stand up straight Gravity will try to push your head down and forward – muscle tone will keep it upright unless you are unconscious. If shoulders are drooped this can indicate a weak trapezius and therefore poor muscle tone.
a) a = trapezius; b = deltoid; c = latissimus dorsi; d = tricep; e = gluteal.b) abduction.c) isotonicd) static strength
An antagonistic pair are a pair of muscles that work together to move a joint. As one contracts and shortens, the other relaxes and lengthens, causing movement. The muscles swap roles to achieve the opposite movement. The biceps and triceps are the antagonistic pair that operate the elbow joint. a) Muscular endurance is the ability of muscles to contract repeatedly without getting tired.b) Muscular endurance is important in the performance of many everyday tasks like gardening and DIY. People with poor muscular endurance can find these tasks very tiring.C) Andrew’s exercises will improve his strength rather than his muscular endurance. He should use a lighter weight and increase the number of repetitions he performs.