Hamstring injury type
| Total, % (95% CI) | Bruising/haematoma, % (95% CI) | Biceps femoris belly, % (95% CI) | Proximal MTJ, % (95% CI) | Distal MTJ, % (95% CI) | Semimembranosis/semitendinosis belly, % (95% CI) | Unspecified, % (95% CI) | |
|---|---|---|---|---|---|---|---|
| Injury type | |||||||
| New | 63.9 (59.0 to 68.5) | 100.0 | 65.0 (58.0 to 72.6) | 42.6 (29.6 to 55.6) | 74.5 (59.6 to 87.2) | 58.3 (41.7 to 75.0) | 62.9 (52.8 to 73.0) |
| Recurrent | 36.1 (31.5 to 41.0) | – | 35.0 (27.4 to 42.0) | 53.7 (40.7 to 66.7) | 25.5 (12.8 to 40.4) | 41.7 (25.0 to 58.3) | 37.1 (27.0 to 47.2) |
| Inciting activity | |||||||
| Match play | 49.1 (42.5 to 57.1) | 80.0 (20.0 to 100.0) | 48.4 (58.0 to 61.1) | 48.1 (27.7 to 64.8) | 53.2 (34.0 to 71.2) | 50.0 (33.3 to 66.7) | 46.1 (38.2 to 79.8) |
| Training | 45.9 (41.5 to 51.0) | 20.0 (0.0 to 60.0) | 46.5 (38.9 to 53.5) | 48.1 (35.2 to 61.1) | 44.7 (29.8 to 59.6) | 50.0 (33.3 to 66.7) | 37.1 (27.0 to 47.2) |
| Gym | 1.6 (0.5 to 2.8) | – | – | – | – | – | 7.9 (11.2 to 29.2) |
| Other | 1.6 (0.5 to 3.3) | – | 1.9 (0.0 to 4.5) | 3.8 (0.0 to 11.2) | 2.1 (0.0 to 6.4) | – | 1.1 (0.0 to 3.4) |
| Inciting mechanism | |||||||
| Contact | 2.6 (1.2 to 4.2) | 100.00 | 1.9 (0.0 to 4.5) | 3.7 (0.0 to 9.3) | – | – | – |
| Non-contact | 97.4 (95.8 to 98.8) | – | 98.1 (95.5 to 100) | 96.3 (90.7 to 100) | 100.00 | 100.00 | 100.00 |
| Sprinting | 73.4 (69.2 to 77.6) | – | 77.1 (70.1 to 82.8) | 61.1 (48.1 to 74.1) | 80.9 (68.1 to 91.5) | 72.2 (55.6 to 86.1) | 84.3 (76.4 to 91.0) |
| Kicking | 4.4 (2.6 to 6.3) | – | 4.5 (1.3 to 7.6) | 9.3 (1.9 to 16.7) | 4.3 (0.0 to 10.6) | 8.3 (0.0 to 19.4) | 2.2 (0.0 to 5.6 |
| Turning | 3.5 (1.9 to 5.4) | – | 3.8 (1.3 to 7.0) | 7.4 (1.9 to 14.8) | 4.3 (0.0 to 10.6) | – | 1.1 (0.0 to 3.4) |
| Landing | 1.9 (0.7 to 3.3) | – | 1.3 (0.0 to 3.2) | 5.6 (0.0 to 11.1) | 2.1 (0.0 to 10.6) | 5.6 (0.0 to 19.4) | – |
| Type | |||||||
| Acute | 77.6 (73.4 to 81.6) | 100.00 | 84.7 (79.0 to 90.4) | 68.5 (55.6 to 81.5) | 68.1 (55.3 to 80.9) | 88.9 (77.8 to 97.2) | 78.7 (69.7 to 86.5) |
| Chronic | 5.8 (3.7 to 8.2) | – | 3.2 (0.6 to 6.4) | 13.0 (5.6 to 22.2) | 2.1 (0.0 to 6.4) | 2.8 (0.0 to 8.3) | 9.0 (3.4 to 15.7) |
| Overuse | 15.9 (12.6 to 19.3) | – | 12.1 (7.0 to 17.2) | 18.5 (9.3 to 29.6) | 29.8 (17.0 to 42.6) | 8.3 (0.0 to 19.4) | 12.4 (5.6 to 20.2) |