Assessing Function and Endurance in Adults with Spinal and Bulbar Muscular Atrophy: Validity of the Adult Myopathy Assessment Tool

Table 2

AMAT item scores for patients with SBMA.

	Median score	IQR
Functional AMAT subscale items (range = 0–3)
Supine to prone	3.0	2.0–3.0
Modified push-up	3.0	2.0–3.0
Sit-up	1.0	0.0–2.0
Supine to sit	3.0	2.0–3.0
Arm raise	3.0	2.0–3.0
Sit to stand	2.0	1.0–3.0
Step-up	2.0	1.0–3.0
Endurance AMAT subscale items (range = 0–4)
Sustained head elevation	3.0	2.0–4.0
Repeated modified push-ups	1.0	0.0–2.0
Sustained arm raise	3.0	1.3–4.0
Sustained hip flexion	4.0	2.0–4.0
Sustained knee extension	4.0	4.0–4.0
Repeated heel raises	0.0	0.0–1.0

Abbreviations: SBMA: spinal bulbar muscular atrophy; IQR: interquartile range; AMAT: Adult Myopathy Assessment Tool.