Table 2 Muscle ultrasound

RF: AP diam (mm)

 All pts

17 [15–20]

17 [15–20]

16 [13–19]

14 [12–17]

13 [9–15]

 SF

17 [15–20]

18 [16–20]

19 [14–20]

15 [12–17]

14 [9–17]

 HPF

17 [15–19]

16 [15–20]

16 [12–18]

13 [12–17]

9 [9–12]

RF: LL diam (mm)

 All pts

43 [40–46]

41 [38–44]

40 [37–45]

40 [36–44]

38 [34–41]

 SF

41 [40–44]

41 [37–42]

39 [35–42]

40 [34–44]

35 [34–40]

 HPF

43 [40–47]

44 [37–46]

44 [37–47]

40 [37–47]

41 [37–43]

RF: CSA (cm²)

 All pts

6.1 [5.1–7.3]

5.9 [4.8–6.3]

5.1 [4.3–6.2]

4.6 [3.8–5.3]

3.5 [3.2–4.7]

 SF

6.1 [5.1–7.3]

5.9 [4.9–6.3]

5.6 [4.2–6.2]

4.7 [3.9–5.4]

3.5 [3.2–4.8]

 HPF

6.3 [4.7–7.3]

5.9 [4.3–6.5]

5 [4.2–6.6]

4.4 [3.5–5.1]

3.5 [2.8–4.4]

RF: echogenicity, Heckmatt Scale

 All pts

1 [1, 2]

2 [1, 2]

2 [1–2.5]

2 [1–3]

2.5 [1.5–3]

 SF

1 [1, 2]

2 [1, 2]

2 [1.3–2.8]

2.3 [1.6–3.5]

2.5 [2, 3]

 HPF

1.3 [1, 2]

1.5 [1, 2]

1 [1, 2]

1.5 [1–2.5]

2.5 [1–3]

AT: AP diam (mm)

 All pts

22 [20–25]

21 [19–23]

20 [17–22]

19 [17–22]

18 [16–20]

 SF

22 [20–24]

21 [19–24]

20 [18–23]

20 [17–23]

19 [15–21]

 HPF

24 [20–26]

22 [19–23]

21 [17–22]

18 [17–20]

18 [18]

AT: LL diam (mm)

 All pts

25 [22–26]

24 [21–26]

23 [21–25]

22 [20–25]

22 [20–27]

 SF

25 [23–27]

24 [21–27]

23 [21–26]

23 [19–26]

25 [21–28]

 HPF

23 [22–26]

24 [21–26]

22 [21–25]

21 [20–24]

22 [20–22]

AT: CSA (cm²)

 All pts

5.6 [4.5–6.4]

4.8 [3.7–5.6]

4 [3.7–5.2]

4 [3.3–4.8]

4.2 [3.4–4.7]

 SF

5.7 [4.7–6.8]

4 [3.6–6]

3.9 [3.7–5.2]

4 [3.3–5.7]

4 [3.2–5.2]

 HPF

5.5 [4.5–6.2]

4.9 [4.2–5.9]

4.2 [3.6–5.3]

3.9 [3.3–4.5]

4.3 [3.4–4.6]

AT: echogenicity, Heckmatt Scale

 All pts

2 [1, 2]

2 [1–3]

2 [1–3]

1.5 [1–3]

2.5 [1–4]

 SF

1.8 [1–2.1]

2.3 [1.3–3]

2 [1.3–3]

2 [1–3.4]

3.5 [1–4]

 HPF

2 [1, 2]

2 [1–3]

1.3 [1–3]

1.3 [1–2.5]

1.5 [1–3]