This is what the American College of Sports Medicine published as their Position Stand on workout programs designed for Hypertrophy (mass):
Evidence from well-designed Randomized Control Trials that provide a consistent pattern of findings in the population for which the recommendation is made.
It is recommended that single- and multiple-joint free-weight and machine exercises be included in an Resistance Training program in novice, intermediate, and advanced individuals.
Dead lift is probably the most multi-jointed exercise. As such you cannot target any specific muscle group. The deadlift is considered an exercise for the back muscle group.
To target triceps:
Calf Muscles would be Medial and Lateral Gastrocnemius muscles. The exercises that target the Calf are:
- Standing Calf Raises
- Leg Curls
Leg Curls also work the Biceps Femoris. Standing Calf Raises would be the best choice.