This list is an example of common conditions Mark manages, but is not exhaustive:

Acute hand and wrist trauma and fractures:
- Metacarpal, phalangeal and thumb fractures
- Tendon, nerves, blood vessel, skin, fingertip and nailbed injuries
- Distal radius, ulna, scaphoid, carpal fractures and dislocations
- Wrist ligament injuries and instability
Arthritis of the hand:
- Metacarpophalangeal (MCP) joints, proximal interphalangeal joints, distal interphalangeal joints
Arthritis of the thumb:
- Carpometacarpal (CMC) / trapeziometacarpal (TMC) joint, metacarpophalangeal joint, interphalangeal joint
Arthritis of the wrist:
- Radioscaphoid joint, radiocarpal joint, midcarpal joint, scapho-trapezio-trapezoid joint, distal radio-ulnar joint

Dupuytren's Disease:
- Open and percutaneous (needle) surgery. Xiapex (collagenase) injections.
Hand swellings:
- Ganglions, mucous cysts, carpal boss, giant cell tumor etc.
Hand infections.
Peripheral nerve injury and entrapment and compression.
- Carpal Tunnel Syndrome
- Entrapment of the Ulnar Nerve at the Elbow (Cubital Tunnel Syndrome) or Wrist
Tendon injuries and problems:
- Trigger finger, tendonitis, tenosynovitis, tendon rupture, De Quervain‚s syndrome, flexor tendon injuries, extensor tendon injuries
- Sports Injuries: fractures, ligament or tendon injuries eg. Finger and thumb injuries from rugby or football.