The benefits of good posture

invader /ɪnˈveɪ.də r / /-dɚ/ noun [ C ]
an army or country that uses force to enter and take control of another country
The foreign invaders were finally defeated by allied forces.
besiege /bɪˈsiːdʒ/ verb [ T often passive ]
1. to surround a place, especially with an army, to prevent people or supplies getting in or out
The town had been besieged for two months but still resisted the aggressors.
trough /trɒf/ /trɑːf/ noun [ C ]
2. a low point in a regular series of high and low points
Investing small amounts regularly is a good way of smoothing out the peaks and troughs of the stock market.
crest /krest/ noun
1. the top or highest part of something such as a wave or a hill
the crest of a hill/wave
landslide /ˈlænd.slaɪd/ noun
( also landslip ) a mass of rock and earth moving suddenly and quickly down a steep slope
tectonic /tekˈtɒn.ɪk/ /-ˈtɑː.nɪk/ adjective
relating to the structure of the surface of the Earth and the way it is formed, changed and moved by forces inside it
the motion of Earth's tectonic plates (= sections of the planet's surface)
displace /dɪˈspleɪs/ verb
to force something or someone out of its usual or original position
The building of a new dam will displace thousands of people who live in this area.
ripple /ˈrɪp.l ̩/ verb
to (cause to) move in small waves
The breeze rippled the water.
shoal /ʃəʊl/ /ʃoʊl/ noun
a raised bank of sand or rocks under the surface of the water
level /ˈlev. ə l/ verb
to completely destroy a building or area
The bombing levelled the village.
drag /dræg/ verb -
1. [ T ] to move something by pulling it along a surface, usually the ground
Pick the chair up instead of dragging it behind you!
debris /ˈdeb.riː/ , /ˈdeɪ.briː/ /dəˈbriː/ noun [ U ]
broken or torn pieces of something larger
Debris from the aircraft was scattered over a large area.
ivert /d a  ɪˈvɜːt/ /dɪˈvɝːt/ verb
1. to cause something or someone to change direction
Traffic will be diverted through the side streets while the main road is resurfaced.