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

Table 2H.

Equations of the trend lines fitted to the plots of tendon excursion against joint angle of flexion in Haf (Hylobates lar)

Muscle tendon unit Equation R2
Gluteus maximus at hip y = −0.23x3 + 0.80x2 − 1.26x + 1.73 0.82
Adductor magnus at hip y = 0.50x3 − 2.74x2 + 3.26x + 0.64 0.97
Semitendinosus at hip y = −0.75x2 + 0.51x + 4.31 0.70
Semimembranosus at hip y = −0.75x2 + 0.51x + 4.31 0.70
Rectus femoris at hip y = −1.15x − 0.52 0.83
Long head of biceps femoris at hip y = 0.84x3 − 4.08x2 − 0.12x + 12.34 0.96
Gracilis at hip y = 3.81x2 − 10.33x + 7.46 0.94
Long head of biceps femoris at knee y = −0.13x2 + 0.75x − 0.03 0.96
Short head of biceps femoris at knee y = −0.81x + 2.69 0.84
Semitendinosus at knee y = 0.25x2 + 2.65x − 1.42 1.00
Semimembranosus at knee y = 0.05x2 + 1.00x − 0.17 0.98
Lateral vastus at knee y = 0.09x3 − 0.49x2 + 0.25x + 1.08 0.95
Gracilis at knee y = 0.25x2 + 2.65x − 1.42 1.00
Lateral gastrocnemius at knee y = −0.03x2 + 0.34x + 0.33 0.92
Triceps surae at ankle y = −0.40x2 − 0.38x + 5.34 0.97
Flexor tibialis at ankle y = −0.13x2 + 0.04x + 0.71 0.83
Tibialis anterior at ankle y = −0.04x2 + 0.64x − 0.07 0.96
Tibialis posterior at ankle y = 0.11x2 − 0.95x + 1.68 1.00
Extensor digitorum longus at ankle y = 0.20x2 + 0.53x − 0.24 0.97