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Fig. 2. Alligator hindlimb muscles involved in the high walking for which
electromyographical data have been recorded. Lines of actions are indicated
for muscles active in either stance phase (red), swing phase (blue) or with
activity in both phases (black); gray shading in arrows indicates that the
muscle lies medial to the femur. AMB1, ambiens, head 1; ADD1, adductor femoris
1; CFL, caudofemoralis longus; FMTI, femorotibialis internus; FTE, flexor
tibialis externus; FTI2, flexor tibialis internus, head 2; G, gastrocnemius;
ILFEM, iliofemoralis; ILFIB, iliofibularis; ILTIB1/2 iliotibialis, head 1/2;
PIFE2/3, puboischiofemoralis externus, head 2/3; PIFI2, puboischiofemoralis
internus, head 2; PIT, puboischiotibialis; TA, tibialis anterior. Data for
muscles marked with asterisks are taken from Gatesy
(1997). The continuation of
the AMB1 tendon through the extensor sheet and into the Achilles tendon is not
shown.