Healthy volunteers
Not accepted
Inclusion Criteria:
* The inclusion criteria for MS patients are as follows: males and females, age 18 to 75, diagnosis of MS (primary or secondary progressive, relapsing-remitting) following the McDonald criteria (Polman et al. 2011). In addition, patients must report difficulties in manual dexterity that impact ADL and/or have a pathological nine Hole Peg Test (9HPT) or Coin Rotation test (CRT) according to cut-off values (Mathiowetz et al. 1985; Heldner, Vanbellingen et al. 2014).
Exclusion Criteria:
* The exclusion criteria will be other conditions that may hand function or, impaired cognitive functioning (Mini Mental Status Examination score less than 24).