Table 3. Comparison between individual share of each hamstring muscle portion (i.e., proximal, medial and distal) in the total T2 shift for the entire hamstring group (portion of 100%) immediately after the flywheel leg-curl and versa-pulley hip-extension exercises.
| Flywheel-Leg Curl (FLC) | Pulley-Hip Extension (PLE) | Standardized Differences (±95%CL) | Outcome | |
|---|---|---|---|---|
| BFl proximal | 2.4 ± 3.0 | 22.4 ± 17.4** | 1.44 ± 0.85 | ↑PLE |
| BFl medial | 4.1 ± 3.5 | 11.2 ± 8.1** | 1.05 ± 0.84 | ↑PLE |
| BFl distal | 3.5 ± 3.2 | 5.0 ± 7.0 | 0.25 ± 0.84 | Unclear |
| BFs proximal | 17.8 ± 4.4** | 4.7 ± 4.0 | -2.95 ± 0.81 | ↑FLC |
| BFs medial | 11.6 ± 3.2** | 2.6 ± 4.8 | -2.08 ± 0.82 | ↑FLC |
| BFs distal | 8.7 ± 4.3** | 1.9 ± 2.5 | -1.80 ± 0.80 | ↑FLC |
| ST proximal | 16.0 ± 4.2 | 12.8 ± 6.7 | -0.53 ± 0.83 | Unclear |
| ST medial | 17.5 ± 4.0 | 21.3 ± 11.6 | 0.41 ± 0.84 | Unclear |
| ST distal | 14.7 ± 5.4** | 3.1 ± 3.4 | -2.41 ± 0.80 | ↑FLC |
| SM proximal | 1.5 ± 1.6 | 7.1 ± 6.7* | 1.03 ± 0.85 | ↑PLE |
| SM medial | 1.5 ± 1.4 | 2.7 ± 5.3 | 0.27 ± 0.85 | Unclear |
| SM distal | 0.9 ± 1.1 | 5.2 ± 4.4** | 1.23 ± 0.85 | ↑PLE |
BFl, biceps femoris long head; BFs, biceps femoris short head; ST, semitendinosus; SM, semimembranosus.
**: Significantly different (p<0.01);
*: Significantly different (p<0.05).