Muscles of the Neck, Chest, and Abdomen

Anterior Neck Muscles

• Sternomastoid: A muscle in the anterior neck.
• Mylohyoid: A muscle in the anterior neck.
• Masseter: A muscle in the anterior neck.
• Sternohyoid: A muscle in the anterior neck.
• Digastrics: A two-part muscle in the anterior neck.
• Sternothyroid: A muscle in the anterior neck.

Superficial Chest Muscles

• Pectoralis major: A major chest muscle.
• Pectoralis minor: A smaller chest muscle, located beneath the pectoralis major.
• Xiphihumeralis: A chest muscle.
• Pectantebrachialis: A chest muscle.

Muscles of the Abdominal Wall

• Rectus abdominis: A prominent abdominal muscle.
• Linea alba: A fibrous band extending along the mid-line of the abdomen.
• External oblique: An abdominal muscle, one of the outermost layers.
• Internal oblique: A deeper abdominal muscle.
• Transversus abdominis: The deepest abdominal muscle.

Superficial Muscles of the Shoulder and the Dorsal Trunk and Neck

• Trapezius Group: A group of muscles comprising
  • Clavotrapezius
  • Acromiotrapezius
  • Spinotrapezius
• Levator scapulae ventralis: A muscle that elevates the scapula.
• Deltoid Group: A group of muscles comprising
  • Clavodeltoid
  • Acromiodeltoid
  • Spinodeltoid
• Latissimus dorsi: A broad, lat-shaped muscle of the back.

Deep Muscles of the Laterodorsal Trunk and Neck

• Serratus ventralis: A muscle that contributes to the movement of ribs and scapula.
• Subscapularis: A deep muscle of the shoulder, located beneath the scapula.
• Scalene: A group of muscles associated with the neck and breathing.
• Splenius: A muscle of the back and neck.
• Rhomboideus capitis: A muscle of the back and neck
• Rhomboideus minor: A back muscle.
• Rhomboideus major: A back muscle.
• Infraspinatus or Supraspinatus: Mentioned in the provided list (note the text has possible errors or omissions)

Muscles of the Lateral Surface of the Forelimb

• Coracobrachialis: A muscle of the forelimb.
• Biceps brachii: A forelimb muscle, responsible for flexion and supination of elbow.
• Brachialis: A muscle contributing to elbow flexion
• Brachioradialis: A muscle of the forelimb.
• Extensor carpi radialis longus: A muscle of the forelimb, involved in wrist extension.
• Extensor carpi radialis brevis: A muscle of the forelimb, involved in wrist extension.
• Extensor digitorum communis: A muscle extending the digits of the hand
• Extensor digitorum lateralis: A muscle extending the digits of the hand
• Extensor carpi ulnaris: A muscle of the forelimb, involved in wrist extension.

Muscles of the Medial Surface of the Forelimbs

• Biceps brachii: (Repeated from the previous section)
• Epitrochlearis: A muscle of the forelimb.
• Pronator teres: A pronatory muscle of the forearm.
• Flexor carpi radialis: A muscle of the forelimb, responsible for wrist flexion.
• Palmaris longus: A muscle of the forelimb.
• Flexor carpi ulnaris: A muscle of the forelimb, responsible for wrist flexion

Posterolateral Hindlimb Muscles

• Sartorius: A muscle of the hindlimb.
• Tensor fasciae latae: A hindlimb muscle.
• Gluteus medius: A hindlimb muscle.
• Gluteus maximus: A hindlimb muscle, involved in hip extension.
• Caudofemoralis: A hindlimb muscle..
• Biceps femoris: A hindlimb muscle, part of the hamstring group.
• Semitendinosus: A hindlimb muscle, part of the hamstring group.
• Semimembranosus: A hindlimb muscle, part of the hamstring group.
• Gastrocnemius: A hindlimb muscle, major calf muscle
• Soleus: A major calf muscle (hindlimb).
• Fibularis (Peroneus): A hindlimb muscle, involved in foot eversion.
• Extensor digitorum longus: A hindlimb muscle, involved in extending the digits.
• Tibialis anterior: A hindlimb muscle, involved in dorsiflexion of the foot.

Anteromedial Hindlimb Muscles

• Vastus medialis: A hindlimb muscle.
• Rectus femoris: A hindlimb muscle.
• Vastus lateralis: A hindlimb muscle.
• Gracilis: A hindlimb muscle.
• Adductor femoris: A hindlimb muscle.
• Adductor longus: A hindlimb muscle.
• Pectineus: A hindlimb muscle.
• Iliopsoas: A hindlimb muscle, involved in hip flexion
• Plantaris: A hindlimb muscle, involved in flexion of digits or ankle.
• Flexor digitorum longus: A muscle flexing the toes (hindlimb).
• Tibialis posterior: A hindlimb muscle, affecting the foot.
• Flexor hallucis longus: A hindlimb muscle involved in moving the big toe.