This is the 9622nd most frequent German word.
muskel
Muskel: muscle.
Here, 'Muskeln' refers to the anatomical muscles of the body used in physical activities.
Ich habe gestern im Fitnessstudio meine Muskeln trainiert.
Yesterday, I trained my muscles at the gym.
In this context, 'Muskulatur' is related to the overall muscular system of the body.
Eine gute Körperhaltung verbessert die Muskulatur und lindert Rückenschmerzen.
A good posture improves the musculature and alleviates back pain.
Here, 'Muskel' denotes a single, specific muscle of the body.