Table 1.

Therapeutic procedure parameters description by intervention.

Number	Intervention	Position & Parameters	Hydrocollator Hot Pack	WBV
Intervention 1	Vibration – Active	Subjects stand with one foot on a firm vibration platform and the other on a firm wooden box for 10 minutes. Next the subject will rest supine with their calf elevated 2 cm above the platform with a support under the heel for an additional 10 minutes.	No	WBV: 50 HZ, 5–6 mm amplitude oscillations, 10 exposures of 60 seconds.
Intervention 2	Vibration – Passive	Subject resting in supine with lower leg elevated 10cm with calf resting on a firm vibration platform for 10 minutes. Then the calf will be elevated 2 cm above the platform with a support under the heel for an additional 10 minutes.	No	WBV: 50 HZ, 5–6 mm amplitude oscillations, 10 exposures of 60 seconds.
Intervention 3	Moist heat	Subject resting in supine with lower leg elevated 10cm with calf resting on a firm platform for 10 minutes. Then the calf will be elevated 2 cm above the platform with a support under the heel for an additional 10 minutes.	The subject’s posterior calf will rest on the hydro-collator with the equivalent to 6 layers of toweling. The subject will be instructed to move lower leg off of hydrocollator pack if too warm. The subject’s skin will be inspected at 5 and 10 minutes.	No
Intervention 4	Vibration – Passive & Moist Heat	Subject resting in supine with lower leg elevated 10cm with calf resting on a firm vibration platform for 10 minutes. Then the calf will be elevated 2 cm above the platform with a support under the heel for an additional 10 minutes.	The subject’s posterior calf will rest on the hydro-collator with the equivalent to 6 layers of toweling. The subject will be instructed to move lower leg off of hydrocollator pack if too warm. The subject’s skin will be inspected at 5 and 10 minutes.	WBV: 50 HZ, 5–6 mm amplitude oscillations, 10 exposures of 60 seconds.
Intervention 5	Commercial massaging heating pad	Subject resting in supine with lower leg elevated 10cm with calf resting on a firm platform for 10 minutes. Then the calf will be elevated 2 cm above the platform with a support under the heel for an additional 10 minutes.	The subject’s posterior calf will rest on the Sunbeam® massaging heating pad with the manufacture’s recommended toweling. The subject will be instructed to move lower leg off of heating pad if too warm. The subject’s skin will be inspected at 5 and 10 minutes.	Vibration setting: High Temperature setting: High Duration: 10 minutes
Intervention 6	Control	Subject resting in supine with lower leg elevated 12 cm with posterior calf elevated 2 cm above a firm, stationary platform for 20 minutes.	No	No