Tiger Woods revealed in an interview that he is regaining his strength, but he admitted that he is nowhere near to returning because he has yet to hit golf balls over the past several weeks.

In a news conference for the Hero World Challenge, Woods, who has been plagued by back injuries this year, said that he has not swung a golf club since his early exit at the PGA Championship, but he has been doing a lot of gym works over the past five weeks.

"I've just been shadow swinging without a club, but I've been busting my butt in the gym pretty hard," Woods said via ESPN. "I've got my strength back, which is nice. Now the next goal is to get my explosiveness and my fast twitch going, and that's the next phase of my training."

The 38-year-old has been slowed down by nagging back injuries since undergoing surgery on March 31. He was clearly bothered by the injury during his stint at the PGA Championship, which led to his decision to take a long rest until the World Challenge on Dec. 4-7 in Isleworth.

"I felt good enough to do it, and the only unfortunate part is I couldn't maintain the conditioning," Woods said. "I wasn't as conditioned as I needed to be. So as the tournament would wear on, I would get more and more fatigued and tired, and I wasn't as explosive, I wasn't as strong because I couldn't burn the candle at both ends."

And as for hiring a new coach, Woods said that he is not in a hurry to find a new swing mentor as he is still focused on improving his health. The former world No. 1 recently parted ways with Sean Foley, the swing coach he hired in 2010 after splitting from Hank Haney.

"Am I looking for a new coach? As of right now, no, I'm not," Woods said via CBS Sports. "I'm in no hurry to look for one right now. As I said, I'm just focused on what I'm doing."

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