Inclusion Criteria:  Have a spinal cord injury that has resulted in tetraplegia affecting hand function. Minimal spasticity of wrist muscle. Able to do shoulder elevation. Upper limb passive range of motion should be within normal limit. Age group: 18 years and above. Able to understand and comply with assessment procedures. Able to give informed consent. Able to produce a muscle contraction using electrical stimulation in sufficient muscles produce a functional grip.  Exclusion Criteria:  Using a cardiac pacemaker, defibrillator or other sensitive implanted device. Pregnant or planning to become pregnant over the course of the study. A history of poorly controlled epilepsy. If there is malignancy on the hand or arm. If younger than 18 Severe contracture of wrist and finger joints. Painful shoulder. Suffering from significant autonomic dysreflexia in response to FES.