Table 9.
The relationship between tendon slack length (L ts) and measured external tendon length (L t) for 18 distal musculotendon units included in the musculoskeletal model, given as the ratio L ts : L t. L ts was estimated using a numerical optimisation procedure from Manal & Buchanan (2004)
| Musculotendon unit | Abbreviation | Groups | L ts (m) | L t (m) | L ts : L t |
|---|---|---|---|---|---|
| Rectus femoris | RF | Knee extensors | 0.00853 | 0.00355 | 2.40 |
| Vastus medialis | VM | Knee extensors | 0.00768 | 0.00355 | 2.16 |
| Vastus lateralis | VL | Knee extensors | 0.00735 | 0.00355 | 2.07 |
| Vastus intermedius | VI | Knee extensors | 0.00702 | 0.00355 | 1.98 |
| Tibialis anterior | TA | Ankle dorsiflexors | 0.01180 | 0.00610 | 1.93 |
| Extensor digitorum longus | EDL | Ankle dorsiflexors | 0.02378 | 0.01459 | 1.63 |
| Extensor hallucis longus | EHL | Ankle dorsiflexors | 0.01793 | 0.01082 | 1.66 |
| Madial gastrocnemius | MG | Ankle plantarflexors, knee flexors | 0.01395 | 0.00497 | 2.80 |
| Lateral gastrocnemius | LG | Ankle plantarflexors, knee flexors | 0.01389 | 0.00434 | 3.20 |
| Soleus | SOL | Ankle plantarflexors | 0.00740 | 0.00304 | 2.44 |
| Plantaris | PLANT | Ankle plantarflexors | 0.01517 | 0.00420 | 3.61 |
| Flexor digitorum longus | FDL | Ankle plantarflexors | 0.02761 | 0.01512 | 1.83 |
| Tibialis posterior | TP | Ankle plantarflexors | 0.01500 | 0.00611 | 2.46 |
| Peroneus longus | PL | Ankle everters, ankle plantarflexors | 0.01408 | 0.00794 | 1.77 |
| Peroneus tertius | PT | Ankle everters, ankle plantarflexors | 0.01122 | 0.00645 | 1.74 |
| Peroneus brevis | PB | Ankle everters, ankle plantarflexors | 0.01005 | 0.00677 | 1.48 |
| Peroneus digit quarti | PDQA | Ankle everters, ankle plantarflexors | 0.02357 | 0.01265 | 1.86 |
| Peroneus digiti quinti | PDQI | Ankle everters, ankle plantarflexors | 0.01959 | 0.01569 | 1.25 |