1 Subjects: “...muscle activity...”

2 Subjects: “...muscle...”

3 Subjects: “...MUSCL...”

4 Subjects: “...skeletal muscle...”

5 Subjects: “...pneumatic artificial muscle...”

6 Subjects: “...muscles...”

7 Subjects: “...skeletal muscle...”

8 Subjects: “...triceps surae muscle...”

9 Subjects: “...skeletal muscle fiber...”

10 Subjects: “...muscle activation...”

11 Subjects: “...muscle strength...”

12 Subjects: “...muscle strength...”

13 Subjects: “...quantitative muscle ultrasound...”

14 Subjects: “...muscle stress...”