Table 2: Most frequently muscles injected by BTX-A and phenol (N)

Overall BTX-A Phenol
Upper extremity Brachialis (103)

Pronator teres (72)

Adductor pollicis (56)

Pronator quadratus (36)

Flexor carpi ulnaris (32)
Pronator teres (68)

Adductor pollicis (56)

Brachiallis (42)

Pronator quadratus (36)

Flexor carpi ulnaris (30)
Brachialis (61)

Triceps (7)

Infraspinatus (4)

Pronator teres (4)

Brachioradialis (3)
Lower extremity Hamstrings (263)

Gastrocs (223)

Hip adductors (217)

Iliopsoas (193)

Peroneus longus (131)
Hamstrings (227)

Iliopsoas (193)

Hip adductors (78)

Gastrocs (70)

Tibialis anterior (35)
Gastrocs (153)

Hip adductors (139)

Peroneus longus (100)

Tensor fasciae latae (56)

Quadriceps (51)