There is a big pear tree in my garden.

My favorite fruit is a pear.

There is one pear tree in my garden.

My body has become flexible by doing stretching exercises every morning.

My body became flexible by doing stretching exercises every morning.

He is doing special exercises to train the splenius muscle, which is a part of the muscles.

I'm worried about his health condition.

He is in a state of fatigue.

The splenius capitis muscle is a part of the neck muscles, helping to tilt the head backwards.

The splenius cervicis muscle is a part of the neck muscles, helping to pull the head back.