Usage of the character 筋

muscle
tendon
veins visible under the skin
sth resembling tendons or veins (e.g. fiber in a vegetable)

jīnluò

筋络

[筋絡]

tendons and muscles

pèijīn

配筋

[配筋]

rebar (construction)

chōujīn

抽筋

[抽筋]

cramp
charley horse
to pull a tendon

jīngǔ

筋骨

[筋骨]

muscles and bones
physique
strength
courage

gāngjīn

钢筋

[鋼筋]

steel reinforcing bar

zhuànjīn

转筋

[轉筋]

muscle cramp

lājīn

拉筋

[拉筋]

stretching (exercise)

píjīn

皮筋

[皮筋]

rubber band

jīnmài

筋脉

[筋脈]

veins

miànjīn

面筋

[麵筋]

gluten

nǎojīn

脑筋

[腦筋]

brains
mind
head
way of thinking

zōngjīn

宗筋

[宗筋]

penis (Chinese medicine)

qīngjīn

青筋

[青筋]

veins
blue veins

jīnjié

筋节

[筋節]

lit. muscles and joints
by ext. the relations between parts in a speech, composition etc

shǒujīn

手筋

[手筋]

flexor tendon (coll.)
tesuji (a skillful move in the game of Go) (orthographic borrowing from Japanese 手筋 "tesuji")

jīndǒu

筋斗

[筋斗]

tumble
somersault

jīnmó

筋膜

[筋膜]

(anatomy) fascia

xiàngpíjīn

橡皮筋

[橡皮筋]

rubber band

zāijīndǒu

栽筋斗

[栽筋斗]

to tumble
to fall head over heels
(fig.) to take a tumble

hóupíjīn

猴皮筋

[猴皮筋]

(coll.) rubber band

héngjīndǒu

横筋斗

[橫筋斗]

cartwheel

shāngnǎojīn

伤脑筋

[傷腦筋]

to be a real headache
to find sth a real headache
to beat one's brains

mǎlìjīn

马利筋

[馬利筋]

tropical milkweed (Asclepias curassavica)

shǎogēnjīn

少根筋

[少根筋]

(coll.) dim-witted
foolish
absent-minded

yīgēnjīn

一根筋

[一根筋]

stubborn
inflexible
one-track minded

jīndǒuyún

筋斗云

[筋斗雲]

Sun Wukong's magical cloud

tiàopíjīn

跳皮筋

[跳皮筋]

to play rubber band jump rope

dòngnǎojīn

动脑筋

[動腦筋]

to use one's brains
to think

niújīncǎo

牛筋草

[牛筋草]

wire grass (Eleusine indica)

fānjīndǒu

翻筋斗

[翻筋斗]

to tumble
to turn a somersault

gāojīnmiànfěn

高筋面粉

[高筋麵粉]

bread flour
hard flour

shāngjīnduàngǔ

伤筋断骨

[傷筋斷骨]

to suffer serious injury (idiom)

liǎnhóngjīnzhǎng

脸红筋涨

[臉紅筋漲]

red and tense with anger (idiom)

jīnpílìjìn

筋疲力尽

[筋疲力盡]

body weary, strength exhausted (idiom); extremely tired
spent

shāngjīndònggǔ

伤筋动骨

[傷筋動骨]

to suffer serious injury (idiom)

zhōngjīnmiànfěn

中筋面粉

[中筋麵粉]

all-purpose flour
flour for making dumplings and noodles

hòufānjīndǒu

后翻筋斗

[後翻筋斗]

backward somersault

dījīnmiànfěn

低筋面粉

[低筋麵粉]

low-gluten flour
cake flour
pastry flour
soft flour

liǎnhóngjīnbào

脸红筋暴

[臉紅筋暴]

red and tense with anger (idiom)

héngfānjīndǒu

横翻筋斗

[橫翻筋斗]

to turn cartwheels

gāngjīnshuǐní

钢筋水泥

[鋼筋水泥]

reinforced concrete

wújīnmiànfěn

无筋面粉

[無筋麵粉]

wheat starch

dòuzhānǎojīn

豆渣脑筋

[豆渣腦筋]

idiot
porridge head

zúdǐjīnmóyán

足底筋膜炎

[足底筋膜炎]

plantar fasciitis (medicine)

gāngjīnhùnníngtǔ

钢筋混凝土

[鋼筋混凝土]

reinforced concrete