Table 3.

Study type and target population.

Content and study			Study type		Target population
Motion tracking
	Yu et al [27]	Controlled		23 stroke patients, 4 physicians
	Wang et al [24]	Noncontrolled		8 musculoskeletal shoulder pain patients
	Li et al [18]	Noncontrolled		16 healthy adults
	Repnik et al [20]	Controlled		28 stroke patients, 14 healthy adults
	Tolvanen et al [23]	Not specified		Not specified
	Bai et al [13]	Noncontrolled		1 healthy adult
	Gu et al [15]	Noncontrolled		1 healthy adult
	Lee et al [17]	Noncontrolled		35 healthy adults
	Zhang P et al [26]	Noncontrolled		1 healthy adult
	Lee et al [16]	Noncontrolled		34 healthy adults
	Zhang J et al [25]	Noncontrolled		1 healthy adult
	Schwarz et al [21]	Noncontrolled		9 stroke patients
	Formstone et al [14]	Noncontrolled		3 healthy adults
	Little et al [19]	Noncontrolled		3 healthy adults
	Schwerz de Lucena et al [22]	Noncontrolled		20 chronic stroke patients
Rehabilitation
	Ding et al [39]	Noncontrolled		5 healthy adults
	Kim et al [31]	Noncontrolled		4 healthy adults
	Mohammadzadeh et al [34]	Noncontrolled		8 healthy adults
	Ploderer et al [35]	Noncontrolled		1st study: 8 occupational therapists; 2nd study: 1 healthy participant; 3rd study: 2 occupational therapists
	Salchow-Hömmen et al [37]	Noncontrolled		4 healthy adults
	Semjonova et al [38]	Controlled		17 primary subacromial pain syndrome patients and 17 healthy adults
	Wang et al [28]	Noncontrolled		17 stroke patients
	Friedman et al [29]	Noncontrolled		7 healthy adults
	Kortier et al [32]	Noncontrolled		1st study: 1 participant; 2nd study: 1 participant; 3rd study: 5 participants
	Kim et al [30]	Noncontrolled		10 participants for the optimal sensor location and 4 participants for experimental evaluation
	Liu et al [33]	Noncontrolled		10 healthy adults
	Pregnolato et al [36]	Noncontrolled		117 stroke adults