An implantable orthopaedic prosthesis (20), comprises an outer shell (28) having an elongated bore (32) defined therein, and a stem shaft (30) having a first end which can be positioned in the elongated bore and a second end extending out of the elongated bore. A first actuator (42,44) can be operated to move the stem shaft relative to the outer shell along a first axis. A neck can (26) to receive a prosthetic head. A second actuator (88,90) can be operated to move the neck relative to the outer shell along a second axis, the second axis being different than the first axis. The actuator can be activated by application of an trans-cutaneous signal.
