1 Subjects: “...parasternal intercostal muscles...”

2 Subjects: “...McKibben muscle...”

3 Subjects: “...force-varying muscle contraction...”

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

5 Subjects: “...muscle strength...”

6 Subjects: “...muscle activities...”

7 Subjects: “...muscle activities...”

8 Subjects: “...muscle activities...”