The Detroit Lions' injury report for Week 4 was already quite lengthy when it was initially released on Wednesday. On Thursday, it got even lengthier with a couple new names showing up on it. Defensive end Lawrence Jackson, who wasn't originally on Wednesday's version, is listed with a calf injury. Also, safety Amari Spievey is now on the injury report with a groin injury.

The biggest news from Thursday's injury report is that quarterback Matthew Stafford practiced on a limited basis. This is a good indication that he is on track to play on Sunday against the Minnesota Vikings.

Here's the full rundown:

QB Matthew Stafford (Hip) - Limited in practice

RB Mikel Leshoure (Groin) - Limited in practice

WR Calvin Johnson (Ankle) - Fully practiced

WR Titus Young (Knee) - Fully practiced

TE Tony Scheffler (Calf) - Limited in practice

OT Corey Hilliard (Elbow) - Fully practiced

OG Rob Sims (Knee) - Limited in practice

DE Lawrence Jackson (Calf) - Limited in practice

DT Corey Williams (Knee) - Didn't practice

LB Travis Lewis (Quad) - Didn't practice

LB Justin Durant (Back) - Limited in practice

S Louis Delmas (Knee) - Didn't practice

S Amari Spievey (Groin) - Limited in practice

And here's a look at the Minnesota Vikings' Thursday injury report:

QB Christian Ponder (Neck) - Limited in practice

TE Kyle Rudolph (Quadriceps) - Limited in practice

DE Jared Allen (Neck) - Limited in practice

DE D'Aundre Reed (Calf) - Limited in practice

LB Marvin Mitchell (Ankle) - Fully practiced

LB Erin Henderson (Concussion) - Didn't practice

S Andrew Sendejo (Ankle) - Didn't practice

S Mistral Raymond (Ankle) - Didn't practice

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