Recommended before any type of exercise to prevent injury

A) spinach
B) ginger
C) garlic
D) melatonin
E) willow bark
F) echinacea
G) saw palmetto
H) glucosamine sulfate
I) ginseng
J) therapeutic diets
K) stretching
L) positive outlook
M) sleep
N) insomnia

Stretching

A form of physical exercise aimed at improving flexibility and muscle elasticity by extending muscles beyond their normal length.

Prevent Injury

The action or practice of taking measures to avoid or reduce the risk of harm or damage to the body.

Exercise

Physical activities undertaken to maintain or improve health and fitness.