In Genesis 2:15-17 God told man concerning the fruit of the tree of the knowledge of good and evil "in the day you eat thereof you will surely die." Man and woman ate of the fruit; did they die that day? Amazingly, most people will say "No!" because Adam and Eve did not die physically after they ate the forbidden fruit. But this is not the whole story.
Death means separation, not annihilation. And Adam and Eve were cast out of the Garden the day they ate the fruit! Thus, ADAM AND EVE DIED SPIRITUALLY BECAUSE THEY WERE CAST OUT OF THE PRESENCE OF GOD! If Adam and Eve did not die the day they ate then Satan told the truth and God lied! God said you will die in the day you eat, Satan said you will not surely die, Genesis 3:1ff. Who told the truth to Adam and Eve? Unless one can find Adam and Eve physically dead in Genesis 2-3 then the death they died was spiritual and not physical!
Now if we regain in Christ, in resurrection, what was lost in Adam, 1 Cor. 15:22, and if spiritual life, not physical, is what was lost, then physical resurrection is not what the Bible means by resurrection from the dead! Instead, the focus of Bible teaching about resurrection is the spiritual restoration of man from sin- death.
The New Testament writers likened life under the Old Covenant to death, because all those under the Law were under the curse, Gal. 3:10f. Paul called the Old Testament the "ministration of death" because all it did was condemn; it could not justify, Romans 8:1-3. He spoke of his struggles under the Old Covenant; he spoke of his past death under it, and lamented "Who shall deliver me from the body of this death?" Romans 7:9-24.
Jesus' death and resurrection was the power for the final removal of that law that brought death, Eph. 2. But that Old Law could not fully pass until it was all fulfilled, Matthew 5:17-18; and until the New Covenant law of life in Christ was completely established, Gal. 3:21-29. This meant that there was a time of transition between the Old Law and the New; a time when those coming out from that Old Law were coming into life--thus they were being raised into resurrection life as firstfruits of the coming perfection in Christ.
Our point is that when that Old Covenant of Death was completely taken away this is called the resurrection! This is what Paul said in 1 Corinthians 15:54-56. The resurrection would be when the Old Testament was fulfilled, vs. 54; it would be when "the law," which was "the strength of sin," was removed, vs. 56. More on all this later.
The modern concept of a physical resurrection of human bodies is not consistent with scripture. It makes physical death the focus of God's threat in Eden, yet scripture denies this. The modern view denies the relationship of the Old Covenant to death and life-- spiritual life. It fails to take into consideration that man stands before God in relationship to Covenant. To live under a Ministration of Death was to be a body of death, Rom. 7:24; 8:8-10. To be delivered from that ministration of death was to be resurrected. This is the Biblical concept of resurrection.
The New Testament believers were dying to the Old Law as they were baptized into Christ, Romans 6-7. The Law itself was not dead- -they were dying to the Law; "You have become dead to the law by the body of Christ" Rom. 7:4; "Christ is the end of the law to those who believe," Rom. 10:4. But the Law would pass when fulfilled and the Hebrew writer says it was at that time growing old and was ready to vanish away, Hebrews 8:13.
Resurrection is deliverance from sin; sin-death; read Ephesians 2:1. This happens by faith in response to the gospel of Jesus Christ. Christ has "abolished death and brought life and immortality to light through the gospel" 2 Tim. 1:10. Those who would know the life that will never end, John 8:51, must enter the power of Jesus' death and resurrection to enjoy the salvation/resurrection purchased by Him. Jesus is the resurrection and the life. To have this life one must be in Christ through baptism for this is where one is joined to Christ's death and resurrection.