Jared spends a lot of time on the phone. Which is MOST likely to cause him neck pain?
(1 point)
• holding the phone with his left hand
• using a speakerphone
• using a headset
• resting the phone on his shoulder
(1 point)
• holding the phone with his left hand
• using a speakerphone
• using a headset
• resting the phone on his shoulder