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. 2006 Jun;208(6):725–742. doi: 10.1111/j.1469-7580.2006.00564.x

Table 2D.

Equations of the trend lines fitted to the plots of tendon excursion against joint angle of flexion in Gm (Gorilla gorilla graueri)

Muscle tendon unit Equation R2
Gluteus maximus at hip y = −1.98x2 + 1.15x + 2.32 0.95
Gluteus medius at hip y = 0.84x3 − 3.51x2 + 2.72x + 2.27 0.98
Semitendinosus at hip y = 1.52x2 + 4.07x + 10.2 0.99
Semimembranosus at hip y = 0.76x2 + 7.77x + 5.19 0.99
Rectus femoris at hip y = −1.82x + 16.6 0.70
Long head of biceps femoris at hip y = −1.30x2 + 12.4x + 4.99 0.98
Gracilis at hip y = −3.34x2 + 0.62x + 31.1 0.98
Long head of biceps femoris at knee y = −1.11x + 13.9 0.91
Lateral vastus at knee y = 0.11x2 + 2.27x + 6.04 0.83
Lateral gastrocnemius at knee y = 0.94x + 23.78 0.80
Medial gastrocnemius at knee y = 1.47x + 7.09 0.71
Triceps surae at ankle y = 0.35x2 + 4.23x + 10.8 0.95
Flexor tibialis at ankle y = 2.33x + 15.4 0.98
Flexor fibularis at ankle y = 0.45x2 + 1.52x + 14.6 0.93
Tibialis anterior at ankle y = 4.11x + 33.3 0.50
Extensor digitorum longus at ankle y = −3.20x + 23.3 0.60