Fig. 2. Scatter plot of fiber length and physiological cross-sectional area (PCSA)
in the muscles of the rat hindlimb. Muscles included psoas, gluteus
superficialis (GSup), gluteus medius (GMed), adductor brevis (AddB), adductor
longus (AddL), adductor magnus (AddM), adductor tertius (AddT), rectus femoris
(RF), vastus intermedius (VI), vastus lateralis (VL), vastus medialis (VM),
biceps femoris (BF), semitendinosus (ST), semimembranosus (SM), muscle X,
cranial head of gracilis (GRcr), caudal head of gracilis (GRca), medial head
of gastrocnemius (GMH), lateral head of gastrocnemius (GLH), plantaris (PLA),
soleus (SOL), tibialis posterior (TP), flexor digitorum longus (FDL), flexor
hallucis longus (FHL), peroneus longus (PL), peroneus brevis (PB), tibialis
anterior (TA), extensor digitorum longus (EDL), and extensor hallucis longus
(EHL). Typically studied rat muscles are represented by filled triangles; all
other muscles are represented by open squares.